Q: What is the sum of all factors of the number 420,021,220 excluding 420,021,220?
A: 531,127,580
The factors of the number 420,021,220 are: 1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 26959, 53918, 107836, 134795, 269590, 512221, 539180, 1024442, 1105319, 2048884, 2210638, 2561105, 4421276, 5122210, 5526595, 10244420, 11053190, 21001061, 22106380, 42002122, 84004244, 105005305, 210010610, 420021220.
If you add them up, you will get the total of 420,021,751. Now subtract 420,021,220 to get 531,127,580