Q: What is the sum of all factors of the number 640,694 excluding 640,694?
A: 323,746
The factors of the number 640,694 are: 1, 2, 563, 569, 1126, 1138, 320347, 640694.
If you add them up, you will get the total of 641,017. Now subtract 640,694 to get 323,746