Q: What is the sum of all factors of the number 639,430 excluding 639,430?
A: 616,394
The factors of the number 639,430 are: 1, 2, 5, 10, 11, 22, 55, 110, 5813, 11626, 29065, 58130, 63943, 127886, 319715, 639430.
If you add them up, you will get the total of 640,046. Now subtract 639,430 to get 616,394