Q: What is the sum of all factors of the number 145,003,900 excluding 145,003,900?

A: 172,085,180

Why is 172,085,180 the sum of all factors of 145,003,900, excluding 145,003,900?

The factors of the number 145,003,900 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 6550, 11069, 13100, 22138, 44276, 55345, 110690, 221380, 276725, 553450, 1106900, 1450039, 2900078, 5800156, 7250195, 14500390, 29000780, 36250975, 72501950, 145003900.

If you add them up, you will get the total of 145,004,072. Now subtract 145,003,900 to get 172,085,180