Q: What is the sum of all factors of the number 305,730 excluding 305,730?

A: 517,950

Why is 517,950 the sum of all factors of 305,730, excluding 305,730?

The factors of the number 305,730 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 79, 86, 90, 129, 158, 215, 237, 258, 387, 395, 430, 474, 645, 711, 774, 790, 1185, 1290, 1422, 1935, 2370, 3397, 3555, 3870, 6794, 7110, 10191, 16985, 20382, 30573, 33970, 50955, 61146, 101910, 152865, 305730.

If you add them up, you will get the total of 306,247. Now subtract 305,730 to get 517,950