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Find the number of proper factors of the...

Find the number of proper factors of the number 38808. also, find sum of all these divisors.

A

72

B

70

C

69

D

71

Text Solution

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The correct Answer is:
B
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OBJECTIVE RD SHARMA ENGLISH-PERMUTATIONS AND COMBINATIONS-Exercise
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  2. If eight persons are to address a meeting, then the number of ways in ...

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  3. Find the number of proper factors of the number 38808. also, find sum ...

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  4. All possible products are formed from the numbers 1, 2, 3, 4, ..., 200...

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  7. Find the sum of all the numbers that can be formed with the digits 2, ...

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  8. The sum of the digits in unit place of all the numbers formed with the...

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  9. If the letters of the word MOTHER are written in all possible orders ...

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  10. Numbers greater than 1000 but not greater than 4000 which can be fo...

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  11. The number of ways in which 5 picturers can be hung from 7 picture nai...

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  12. The number of all four digit numbers which are divisible by 4 that can...

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  13. The number of all five digit numbers which are divisible by 4 that can...

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  14. The number of ways in which m+n(nlem+1) different things can be arrang...

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  15. All possible two-factor products are formed from the numbers 1, 2,…..,...

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  16. m men and n women ae to be seated in a row so that no two women sit...

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  17. Find the number of ways in which six '+' and four '-' signs can be arr...

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  18. If in a chess tournament each contestant plays once against each of th...

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  19. Total number of four digit odd numbers that can be formed by using 0, ...

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  20. A committee of 5 is to be formed from 9 ladies and 8 men. If the commi...

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