Q: What is the sum of all factors of the number 240,243,430 excluding 240,243,430?

A: 257,547,290

Why is 257,547,290 the sum of all factors of 240,243,430, excluding 240,243,430?

The factors of the number 240,243,430 are: 1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 24691, 49382, 123455, 172837, 246910, 345674, 864185, 1728370, 3432049, 6864098, 17160245, 24024343, 34320490, 48048686, 120121715, 240243430.

If you add them up, you will get the total of 240,243,687. Now subtract 240,243,430 to get 257,547,290