Q: What is the sum of all factors of the number 309,940 excluding 309,940?
A: 340,976
The factors of the number 309,940 are: 1, 2, 4, 5, 10, 20, 15497, 30994, 61988, 77485, 154970, 309940.
If you add them up, you will get the total of 310,280. Now subtract 309,940 to get 340,976