Q: What is the sum of all factors of the number 204,840 excluding 204,840?

A: 462,060

Why is 462,060 the sum of all factors of 204,840, excluding 204,840?

The factors of the number 204,840 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 569, 1138, 1707, 2276, 2845, 3414, 4552, 5121, 5690, 6828, 8535, 10242, 11380, 13656, 17070, 20484, 22760, 25605, 34140, 40968, 51210, 68280, 102420, 204840.

If you add them up, you will get the total of 205,302. Now subtract 204,840 to get 462,060