Q: What is the sum of all factors of the number 639,590 excluding 639,590?
A: 676,282
The factors of the number 639,590 are: 1, 2, 5, 7, 10, 14, 35, 70, 9137, 18274, 45685, 63959, 91370, 127918, 319795, 639590.
If you add them up, you will get the total of 640,266. Now subtract 639,590 to get 676,282