Q: What is the sum of all factors of the number 400,040,030 excluding 400,040,030?

A: 398,150,818

Why is 398,150,818 the sum of all factors of 400,040,030, excluding 400,040,030?

The factors of the number 400,040,030 are: 1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 233, 235, 281, 466, 470, 562, 611, 1165, 1222, 1405, 2330, 2810, 3029, 3055, 3653, 6058, 6110, 7306, 10951, 13207, 15145, 18265, 21902, 26414, 30290, 36530, 54755, 65473, 66035, 109510, 130946, 132070, 142363, 171691, 284726, 327365, 343382, 654730, 711815, 851149, 858455, 1423630, 1702298, 1716910, 3077231, 4255745, 6154462, 8511490, 15386155, 30772310, 40004003, 80008006, 200020015, 400040030.

If you add them up, you will get the total of 400,040,428. Now subtract 400,040,030 to get 398,150,818