Q: What is the sum of all factors of the number 198,990 excluding 198,990?

A: 388,530

Why is 388,530 the sum of all factors of 198,990, excluding 198,990?

The factors of the number 198,990 are: 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 67, 90, 99, 110, 134, 135, 165, 198, 201, 270, 297, 330, 335, 402, 495, 594, 603, 670, 737, 990, 1005, 1206, 1474, 1485, 1809, 2010, 2211, 2970, 3015, 3618, 3685, 4422, 6030, 6633, 7370, 9045, 11055, 13266, 18090, 19899, 22110, 33165, 39798, 66330, 99495, 198990.

If you add them up, you will get the total of 199,378. Now subtract 198,990 to get 388,530