Q: What is the sum of all factors of the number 6,891,250 excluding 6,891,250?

A: 6,463,850

Why is 6,463,850 the sum of all factors of 6,891,250, excluding 6,891,250?

The factors of the number 6,891,250 are: 1, 2, 5, 10, 25, 37, 50, 74, 125, 149, 185, 250, 298, 370, 625, 745, 925, 1250, 1490, 1850, 3725, 4625, 5513, 7450, 9250, 11026, 18625, 23125, 27565, 37250, 46250, 55130, 93125, 137825, 186250, 275650, 689125, 1378250, 3445625, 6891250.

If you add them up, you will get the total of 6,891,256. Now subtract 6,891,250 to get 6,463,850