Q: What is the sum of all factors of the number 640,436 excluding 640,436?
A: 519,184
The factors of the number 640,436 are: 1, 2, 4, 29, 58, 116, 5521, 11042, 22084, 160109, 320218, 640436.
If you add them up, you will get the total of 640,955. Now subtract 640,436 to get 519,184