Q: What is the sum of all factors of the number 215,860 excluding 215,860?
A: 249,836
The factors of the number 215,860 are: 1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 251, 430, 502, 860, 1004, 1255, 2510, 5020, 10793, 21586, 43172, 53965, 107930, 215860.
If you add them up, you will get the total of 216,109. Now subtract 215,860 to get 249,836