Q: What is the sum of all factors of the number 421,128 excluding 421,128?
A: 719,622
The factors of the number 421,128 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 5849, 11698, 17547, 23396, 35094, 46792, 52641, 70188, 105282, 140376, 210564, 421128.
If you add them up, you will get the total of 421,847. Now subtract 421,128 to get 719,622