Q: What is the sum of all factors of the number 170,720 excluding 170,720?

A: 273,808

Why is 273,808 the sum of all factors of 170,720, excluding 170,720?

The factors of the number 170,720 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 97, 110, 160, 176, 194, 220, 352, 388, 440, 485, 776, 880, 970, 1067, 1552, 1760, 1940, 2134, 3104, 3880, 4268, 5335, 7760, 8536, 10670, 15520, 17072, 21340, 34144, 42680, 85360, 170720.

If you add them up, you will get the total of 170,993. Now subtract 170,720 to get 273,808