The factors of the number 511,024,420 are: 1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 113, 170, 188, 226, 235, 283, 340, 452, 470, 565, 566, 799, 940, 1130, 1132, 1415, 1598, 1921, 2260, 2830, 3196, 3842, 3995, 4811, 5311, 5660, 7684, 7990, 9605, 9622, 10622, 13301, 15980, 19210, 19244, 21244, 24055, 26555, 26602, 31979, 38420, 48110, 53110, 53204, 63958, 66505, 90287, 96220, 106220, 127916, 133010, 159895, 180574, 226117, 266020, 319790, 361148, 451435, 452234, 543643, 639580, 902870, 904468, 1087286, 1130585, 1503013, 1805740, 2174572, 2261170, 2718215, 3006026, 4522340, 5436430, 6012052, 7515065, 10872860, 15030130, 25551221, 30060260, 51102442, 102204884, 127756105, 255512210, 511024420.
If you add them up, you will get the total of 511,025,083. Now subtract 511,024,420 to get 663,835,868