Q: What is the sum of all factors of the number 257,730 excluding 257,730?

A: 431,742

Why is 431,742 the sum of all factors of 257,730, excluding 257,730?

The factors of the number 257,730 are: 1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 71, 110, 121, 142, 165, 213, 242, 330, 355, 363, 426, 605, 710, 726, 781, 1065, 1210, 1562, 1815, 2130, 2343, 3630, 3905, 4686, 7810, 8591, 11715, 17182, 23430, 25773, 42955, 51546, 85910, 128865, 257730.

If you add them up, you will get the total of 258,161. Now subtract 257,730 to get 431,742