Q: What is the sum of all factors of the number 42,978 excluding 42,978?
A: 57,822
The factors of the number 42,978 are: 1, 2, 3, 6, 13, 19, 26, 29, 38, 39, 57, 58, 78, 87, 114, 174, 247, 377, 494, 551, 741, 754, 1102, 1131, 1482, 1653, 2262, 3306, 7163, 14326, 21489, 42978.
If you add them up, you will get the total of 43,035. Now subtract 42,978 to get 57,822