Q: What is the sum of all factors of the number 137,800 excluding 137,800?

A: 213,740

Why is 213,740 the sum of all factors of 137,800, excluding 137,800?

The factors of the number 137,800 are: 1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 53, 65, 100, 104, 106, 130, 200, 212, 260, 265, 325, 424, 520, 530, 650, 689, 1060, 1300, 1325, 1378, 2120, 2600, 2650, 2756, 3445, 5300, 5512, 6890, 10600, 13780, 17225, 27560, 34450, 68900, 137800.

If you add them up, you will get the total of 138,013. Now subtract 137,800 to get 213,740