Q: What is the sum of all factors of the number 640,308 excluding 640,308?
A: 853,772
The factors of the number 640,308 are: 1, 2, 3, 4, 6, 12, 53359, 106718, 160077, 213436, 320154, 640308.
If you add them up, you will get the total of 641,161. Now subtract 640,308 to get 853,772