Q: What is the sum of all factors of the number 285,428 excluding 285,428?
A: 302,572
The factors of the number 285,428 are: 1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 499, 572, 998, 1996, 5489, 6487, 10978, 12974, 21956, 25948, 71357, 142714, 285428.
If you add them up, you will get the total of 285,730. Now subtract 285,428 to get 302,572