Q: What is the sum of all factors of the number 210,511,545 excluding 210,511,545?

A: 155,486,535

Why is 155,486,535 the sum of all factors of 210,511,545, excluding 210,511,545?

The factors of the number 210,511,545 are: 1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2945, 8835, 23827, 71481, 119135, 357405, 452713, 738637, 1358139, 2215911, 2263565, 3693185, 6790695, 11079555, 14034103, 42102309, 70170515, 210511545.

If you add them up, you will get the total of 210,511,700. Now subtract 210,511,545 to get 155,486,535