Q: What is the sum of all factors of the number 203,640 excluding 203,640?
A: 407,640
The factors of the number 203,640 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1697, 3394, 5091, 6788, 8485, 10182, 13576, 16970, 20364, 25455, 33940, 40728, 50910, 67880, 101820, 203640.
If you add them up, you will get the total of 204,047. Now subtract 203,640 to get 407,640