Q: What is the sum of all factors of the number 388,020 excluding 388,020?

A: 740,940

Why is 740,940 the sum of all factors of 388,020, excluding 388,020?

The factors of the number 388,020 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 223, 290, 348, 435, 446, 580, 669, 870, 892, 1115, 1338, 1740, 2230, 2676, 3345, 4460, 6467, 6690, 12934, 13380, 19401, 25868, 32335, 38802, 64670, 77604, 97005, 129340, 194010, 388020.

If you add them up, you will get the total of 388,760. Now subtract 388,020 to get 740,940