Q: What is the sum of all factors of the number 309,705,520 excluding 309,705,520?
A: 410,360,000
The factors of the number 309,705,520 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3871319, 7742638, 15485276, 19356595, 30970552, 38713190, 61941104, 77426380, 154852760, 309705520.
If you add them up, you will get the total of 309,705,930. Now subtract 309,705,520 to get 410,360,000