Q: What is the sum of all factors of the number 255,490 excluding 255,490?
A: 220,790
The factors of the number 255,490 are: 1, 2, 5, 10, 29, 58, 145, 290, 881, 1762, 4405, 8810, 25549, 51098, 127745, 255490.
If you add them up, you will get the total of 255,710. Now subtract 255,490 to get 220,790