Q: What is the sum of all factors of the number 421,351,100 excluding 421,351,100?

A: 495,767,284

Why is 495,767,284 the sum of all factors of 421,351,100, excluding 421,351,100?

The factors of the number 421,351,100 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 337, 674, 1348, 1685, 3370, 6740, 8425, 12503, 16850, 25006, 33700, 50012, 62515, 125030, 250060, 312575, 625150, 1250300, 4213511, 8427022, 16854044, 21067555, 42135110, 84270220, 105337775, 210675550, 421351100.

If you add them up, you will get the total of 421,351,595. Now subtract 421,351,100 to get 495,767,284