Q: What is the sum of all factors of the number 256,790 excluding 256,790?
A: 205,450
The factors of the number 256,790 are: 1, 2, 5, 10, 25679, 51358, 128395, 256790.
If you add them up, you will get the total of 256,995. Now subtract 256,790 to get 205,450