Q: What is the sum of all factors of the number 373,240 excluding 373,240?

A: 640,520

Why is 640,520 the sum of all factors of 373,240, excluding 373,240?

The factors of the number 373,240 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 43, 56, 62, 70, 86, 124, 140, 155, 172, 215, 217, 248, 280, 301, 310, 344, 430, 434, 602, 620, 860, 868, 1085, 1204, 1240, 1333, 1505, 1720, 1736, 2170, 2408, 2666, 3010, 4340, 5332, 6020, 6665, 8680, 9331, 10664, 12040, 13330, 18662, 26660, 37324, 46655, 53320, 74648, 93310, 186620, 373240.

If you add them up, you will get the total of 373,880. Now subtract 373,240 to get 640,520