Q: What is the sum of all factors of the number 445,400 excluding 445,400?

A: 659,440

Why is 659,440 the sum of all factors of 445,400, excluding 445,400?

The factors of the number 445,400 are: 1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 131, 136, 170, 200, 262, 340, 425, 524, 655, 680, 850, 1048, 1310, 1700, 2227, 2620, 3275, 3400, 4454, 5240, 6550, 8908, 11135, 13100, 17816, 22270, 26200, 44540, 55675, 89080, 111350, 222700, 445400.

If you add them up, you will get the total of 446,059. Now subtract 445,400 to get 659,440