Q: What is the sum of all factors of the number 403,604,140 excluding 403,604,140?

A: 518,105,012

Why is 518,105,012 the sum of all factors of 403,604,140, excluding 403,604,140?

The factors of the number 403,604,140 are: 1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 6290, 12580, 32083, 64166, 128332, 160415, 320830, 545411, 641660, 1090822, 1187071, 2181644, 2374142, 2727055, 4748284, 5454110, 5935355, 10908220, 11870710, 20180207, 23741420, 40360414, 80720828, 100901035, 201802070, 403604140.

If you add them up, you will get the total of 403,604,658. Now subtract 403,604,140 to get 518,105,012