Q: What is the sum of all factors of the number 204,363,880 excluding 204,363,880?

A: 321,143,960

Why is 321,143,960 the sum of all factors of 204,363,880, excluding 204,363,880?

The factors of the number 204,363,880 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 729871, 1459742, 2919484, 3649355, 5109097, 5838968, 7298710, 10218194, 14597420, 20436388, 25545485, 29194840, 40872776, 51090970, 102181940, 204363880.

If you add them up, you will get the total of 204,364,201. Now subtract 204,363,880 to get 321,143,960