Q: What is the sum of all factors of the number 257,142 excluding 257,142?
A: 287,610
The factors of the number 257,142 are: 1, 2, 3, 6, 17, 34, 51, 102, 2521, 5042, 7563, 15126, 42857, 85714, 128571, 257142.
If you add them up, you will get the total of 257,429. Now subtract 257,142 to get 287,610