Q: What is the sum of all factors of the number 300,100,040 excluding 300,100,040?

A: 380,291,320

Why is 380,291,320 the sum of all factors of 300,100,040, excluding 300,100,040?

The factors of the number 300,100,040 are: 1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 57271, 114542, 229084, 286355, 458168, 572710, 1145420, 2290840, 7502501, 15005002, 30010004, 37512505, 60020008, 75025010, 150050020, 300100040.

If you add them up, you will get the total of 300,100,420. Now subtract 300,100,040 to get 380,291,320