Q: What is the sum of all factors of the number 154,020,030 excluding 154,020,030?

A: 217,499,970

Why is 217,499,970 the sum of all factors of 154,020,030, excluding 154,020,030?

The factors of the number 154,020,030 are: 1, 2, 3, 5, 6, 10, 15, 30, 199, 398, 597, 995, 1194, 1990, 2985, 5970, 25799, 51598, 77397, 128995, 154794, 257990, 386985, 773970, 5134001, 10268002, 15402003, 25670005, 30804006, 51340010, 77010015, 154020030.

If you add them up, you will get the total of 154,020,247. Now subtract 154,020,030 to get 217,499,970