Q: What is the sum of all factors of the number 112,140 excluding 112,140?

A: 280,980

Why is 280,980 the sum of all factors of 112,140, excluding 112,140?

The factors of the number 112,140 are: 1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 801, 890, 1068, 1246, 1260, 1335, 1602, 1780, 1869, 2492, 2670, 3115, 3204, 3738, 4005, 5340, 5607, 6230, 7476, 8010, 9345, 11214, 12460, 16020, 18690, 22428, 28035, 37380, 56070, 112140.

If you add them up, you will get the total of 112,420. Now subtract 112,140 to get 280,980