Q: What is the sum of all factors of the number 257,811,320 excluding 257,811,320?

A: 366,886,600

Why is 366,886,600 the sum of all factors of 257,811,320, excluding 257,811,320?

The factors of the number 257,811,320 are: 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 495791, 991582, 1983164, 2478955, 3966328, 4957910, 6445283, 9915820, 12890566, 19831640, 25781132, 32226415, 51562264, 64452830, 128905660, 257811320.

If you add them up, you will get the total of 257,811,686. Now subtract 257,811,320 to get 366,886,600