Q: What is the sum of all factors of the number 400,704,440 excluding 400,704,440?

A: 501,475,720

Why is 501,475,720 the sum of all factors of 400,704,440, excluding 400,704,440?

The factors of the number 400,704,440 are: 1, 2, 4, 5, 8, 10, 20, 40, 2351, 4261, 4702, 8522, 9404, 11755, 17044, 18808, 21305, 23510, 34088, 42610, 47020, 85220, 94040, 170440, 10017611, 20035222, 40070444, 50088055, 80140888, 100176110, 200352220, 400704440.

If you add them up, you will get the total of 400,704,941. Now subtract 400,704,440 to get 501,475,720