Q: What is the sum of all factors of the number 202,720 excluding 202,720?

A: 347,648

Why is 347,648 the sum of all factors of 202,720, excluding 202,720?

The factors of the number 202,720 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 181, 224, 280, 362, 560, 724, 905, 1120, 1267, 1448, 1810, 2534, 2896, 3620, 5068, 5792, 6335, 7240, 10136, 12670, 14480, 20272, 25340, 28960, 40544, 50680, 101360, 202720.

If you add them up, you will get the total of 203,067. Now subtract 202,720 to get 347,648