Q: What is the sum of all factors of the number 215,320 excluding 215,320?
A: 339,080
The factors of the number 215,320 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 769, 1538, 3076, 3845, 5383, 6152, 7690, 10766, 15380, 21532, 26915, 30760, 43064, 53830, 107660, 215320.
If you add them up, you will get the total of 215,659. Now subtract 215,320 to get 339,080