The factors of the number 421,111,140 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 197, 230, 276, 345, 394, 460, 591, 690, 788, 985, 1182, 1380, 1549, 1970, 2364, 2955, 3098, 3940, 4531, 4647, 5910, 6196, 7745, 9062, 9294, 11820, 13593, 15490, 18124, 18588, 22655, 23235, 27186, 30980, 35627, 45310, 46470, 54372, 67965, 71254, 90620, 92940, 106881, 135930, 142508, 178135, 213762, 271860, 305153, 356270, 427524, 534405, 610306, 712540, 915459, 1068810, 1220612, 1525765, 1830918, 2137620, 3051530, 3661836, 4577295, 6103060, 7018519, 9154590, 14037038, 18309180, 21055557, 28074076, 35092595, 42111114, 70185190, 84222228, 105277785, 140370380, 210555570, 421111140.
If you add them up, you will get the total of 1,237,420,800.