Q: What is the sum of all factors of the number 10,689,100 excluding 10,689,100?

A: 12,703,500

Why is 12,703,500 the sum of all factors of 10,689,100, excluding 10,689,100?

The factors of the number 10,689,100 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 769, 1390, 1538, 2780, 3076, 3475, 3845, 6950, 7690, 13900, 15380, 19225, 38450, 76900, 106891, 213782, 427564, 534455, 1068910, 2137820, 2672275, 5344550, 10689100.

If you add them up, you will get the total of 10,689,112. Now subtract 10,689,100 to get 12,703,500