Q: What is the sum of all factors of the number 261,221,480 excluding 261,221,480?
A: 388,893,160
The factors of the number 261,221,480 are: 1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 13577, 19240, 27154, 54308, 67885, 108616, 135770, 176501, 271540, 353002, 502349, 543080, 706004, 882505, 1004698, 1412008, 1765010, 2009396, 2511745, 3530020, 4018792, 5023490, 6530537, 7060040, 10046980, 13061074, 20093960, 26122148, 32652685, 52244296, 65305370, 130610740, 261221480.
If you add them up, you will get the total of 261,221,868. Now subtract 261,221,480 to get 388,893,160