Q: What is the sum of all factors of the number 309,080 excluding 309,080?
A: 386,440
The factors of the number 309,080 are: 1, 2, 4, 5, 8, 10, 20, 40, 7727, 15454, 30908, 38635, 61816, 77270, 154540, 309080.
If you add them up, you will get the total of 309,466. Now subtract 309,080 to get 386,440