Q: What is the sum of all factors of the number 157,215,280 excluding 157,215,280?

A: 212,729,792

Why is 212,729,792 the sum of all factors of 157,215,280, excluding 157,215,280?

The factors of the number 157,215,280 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 23677, 47354, 94708, 118385, 189416, 236770, 378832, 473540, 947080, 1894160, 1965191, 3930382, 7860764, 9825955, 15721528, 19651910, 31443056, 39303820, 78607640, 157215280.

If you add them up, you will get the total of 157,215,492. Now subtract 157,215,280 to get 212,729,792