Q: What is the sum of all factors of the number 213,400 excluding 213,400?

A: 333,440

Why is 333,440 the sum of all factors of 213,400, excluding 213,400?

The factors of the number 213,400 are: 1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 97, 100, 110, 194, 200, 220, 275, 388, 440, 485, 550, 776, 970, 1067, 1100, 1940, 2134, 2200, 2425, 3880, 4268, 4850, 5335, 8536, 9700, 10670, 19400, 21340, 26675, 42680, 53350, 106700, 213400.

If you add them up, you will get the total of 213,733. Now subtract 213,400 to get 333,440