Q: What is the sum of all factors of the number 221,204,300 excluding 221,204,300?

A: 266,691,556

Why is 266,691,556 the sum of all factors of 221,204,300, excluding 221,204,300?

The factors of the number 221,204,300 are: 1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 36263, 72526, 145052, 181315, 362630, 725260, 906575, 1813150, 2212043, 3626300, 4424086, 8848172, 11060215, 22120430, 44240860, 55301075, 110602150, 221204300.

If you add them up, you will get the total of 221,204,566. Now subtract 221,204,300 to get 266,691,556