Q: What is the sum of all factors of the number 439,400 excluding 439,400?

A: 667,300

Why is 667,300 the sum of all factors of 439,400, excluding 439,400?

The factors of the number 439,400 are: 1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 200, 260, 325, 338, 520, 650, 676, 845, 1300, 1352, 1690, 2197, 2600, 3380, 4225, 4394, 6760, 8450, 8788, 10985, 16900, 17576, 21970, 33800, 43940, 54925, 87880, 109850, 219700, 439400.

If you add them up, you will get the total of 440,067. Now subtract 439,400 to get 667,300