Q: What is the sum of all factors of the number 640,732,242 excluding 640,732,242?

A: 700,218,798

Why is 700,218,798 the sum of all factors of 640,732,242, excluding 640,732,242?

The factors of the number 640,732,242 are: 1, 2, 3, 6, 31, 62, 73, 93, 146, 186, 219, 438, 2263, 4526, 6789, 13578, 47189, 94378, 141567, 283134, 1462859, 2925718, 3444797, 4388577, 6889594, 8777154, 10334391, 20668782, 106788707, 213577414, 320366121, 640732242.

If you add them up, you will get the total of 640,732,942. Now subtract 640,732,242 to get 700,218,798