Q: What is the sum of all factors of the number 161,100 excluding 161,100?

A: 346,680

Why is 346,680 the sum of all factors of 161,100, excluding 161,100?

The factors of the number 161,100 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 179, 180, 225, 300, 358, 450, 537, 716, 895, 900, 1074, 1611, 1790, 2148, 2685, 3222, 3580, 4475, 5370, 6444, 8055, 8950, 10740, 13425, 16110, 17900, 26850, 32220, 40275, 53700, 80550, 161100.

If you add them up, you will get the total of 161,446. Now subtract 161,100 to get 346,680