Q: What is the sum of all factors of the number 212,840 excluding 212,840?
A: 295,840
The factors of the number 212,840 are: 1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 313, 340, 626, 680, 1252, 1565, 2504, 3130, 5321, 6260, 10642, 12520, 21284, 26605, 42568, 53210, 106420, 212840.
If you add them up, you will get the total of 213,135. Now subtract 212,840 to get 295,840