Q: What is the sum of all factors of the number 445,900 excluding 445,900?

A: 769,300

Why is 769,300 the sum of all factors of 445,900, excluding 445,900?

The factors of the number 445,900 are: 1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 130, 140, 175, 182, 196, 245, 260, 325, 343, 350, 364, 455, 490, 637, 650, 686, 700, 910, 980, 1225, 1274, 1300, 1372, 1715, 1820, 2275, 2450, 2548, 3185, 3430, 4459, 4550, 4900, 6370, 6860, 8575, 8918, 9100, 12740, 15925, 17150, 17836, 22295, 31850, 34300, 44590, 63700, 89180, 111475, 222950, 445900.

If you add them up, you will get the total of 446,669. Now subtract 445,900 to get 769,300