Q: What is the sum of all factors of the number 640,252 excluding 640,252?
A: 497,388
The factors of the number 640,252 are: 1, 2, 4, 67, 134, 268, 2389, 4778, 9556, 160063, 320126, 640252.
If you add them up, you will get the total of 640,749. Now subtract 640,252 to get 497,388