Q: What is the sum of all factors of the number 307,640 excluding 307,640?
A: 384,640
The factors of the number 307,640 are: 1, 2, 4, 5, 8, 10, 20, 40, 7691, 15382, 30764, 38455, 61528, 76910, 153820, 307640.
If you add them up, you will get the total of 308,024. Now subtract 307,640 to get 384,640