Determine 2757

The sum of all divisors of a certain odd number is 78. Determine the sum of all divisors of twice this unknown number. What is an unknown number?

Correct answer:

x =  234
n =  45

Step-by-step explanation:

x=78+2 78=234
45:1,3,5,9,15,45 245=90:1,2,3,5,6,9,10,15,18,30,45,90

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