Q: What is the sum of all factors of the number 217,170 excluding 217,170?

A: 381,870

Why is 381,870 the sum of all factors of 217,170, excluding 217,170?

The factors of the number 217,170 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 127, 171, 190, 254, 285, 342, 381, 570, 635, 762, 855, 1143, 1270, 1710, 1905, 2286, 2413, 3810, 4826, 5715, 7239, 11430, 12065, 14478, 21717, 24130, 36195, 43434, 72390, 108585, 217170.

If you add them up, you will get the total of 217,551. Now subtract 217,170 to get 381,870