The factors of the number 312,540,444 are: 1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 179, 204, 306, 317, 324, 358, 459, 537, 612, 634, 716, 918, 951, 1074, 1268, 1377, 1611, 1836, 1902, 2148, 2754, 2853, 3043, 3222, 3804, 4833, 5389, 5508, 5706, 6086, 6444, 8559, 9129, 9666, 10778, 11412, 12172, 14499, 16167, 17118, 18258, 19332, 21556, 25677, 27387, 28998, 32334, 34236, 36516, 48501, 51354, 54774, 56743, 57996, 64668, 82161, 97002, 102708, 109548, 113486, 145503, 164322, 170229, 194004, 226972, 246483, 291006, 328644, 340458, 436509, 492966, 510687, 582012, 680916, 873018, 964631, 985932, 1021374, 1532061, 1746036, 1929262, 2042748, 2893893, 3064122, 3858524, 4596183, 5787786, 6128244, 8681679, 9192366, 11575572, 17363358, 18384732, 26045037, 34726716, 52090074, 78135111, 104180148, 156270222, 312540444.
If you add them up, you will get the total of 872,681,040.