Q: What is the sum of all factors of the number 240,321,330 excluding 240,321,330?

A: 405,878,202

Why is 405,878,202 the sum of all factors of 240,321,330, excluding 240,321,330?

The factors of the number 240,321,330 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 296693, 593386, 890079, 1483465, 1780158, 2670237, 2966930, 4450395, 5340474, 8010711, 8900790, 13351185, 16021422, 24032133, 26702370, 40053555, 48064266, 80107110, 120160665, 240321330.

If you add them up, you will get the total of 240,321,735. Now subtract 240,321,330 to get 405,878,202