Q: What is the sum of all factors of the number 251,143,248 excluding 251,143,248?

A: 420,019,152

Why is 420,019,152 the sum of all factors of 251,143,248, excluding 251,143,248?

The factors of the number 251,143,248 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 180419, 360838, 541257, 721676, 1082514, 1443352, 2165028, 2886704, 4330056, 5232151, 8660112, 10464302, 15696453, 20928604, 31392906, 41857208, 62785812, 83714416, 125571624, 251143248.

If you add them up, you will get the total of 251,143,668. Now subtract 251,143,248 to get 420,019,152