Q: What is the sum of all factors of the number 400,216 excluding 400,216?
A: 389,984
The factors of the number 400,216 are: 1, 2, 4, 8, 19, 38, 76, 152, 2633, 5266, 10532, 21064, 50027, 100054, 200108, 400216.
If you add them up, you will get the total of 400,605. Now subtract 400,216 to get 389,984