Q: What is the sum of all factors of the number 210,405,250 excluding 210,405,250?

A: 219,286,142

Why is 219,286,142 the sum of all factors of 210,405,250, excluding 210,405,250?

The factors of the number 210,405,250 are: 1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 76511, 153022, 382555, 765110, 841621, 1683242, 1912775, 3825550, 4208105, 8416210, 9563875, 19127750, 21040525, 42081050, 105202625, 210405250.

If you add them up, you will get the total of 210,405,469. Now subtract 210,405,250 to get 219,286,142