Q: What is the sum of all factors of the number 137,172 excluding 137,172?

A: 249,900

Why is 249,900 the sum of all factors of 137,172, excluding 137,172?

The factors of the number 137,172 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 71, 84, 92, 138, 142, 161, 213, 276, 284, 322, 426, 483, 497, 644, 852, 966, 994, 1491, 1633, 1932, 1988, 2982, 3266, 4899, 5964, 6532, 9798, 11431, 19596, 22862, 34293, 45724, 68586, 137172.

If you add them up, you will get the total of 137,421. Now subtract 137,172 to get 249,900