The factors of the number 28,590,288 are: 1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 29, 38, 46, 47, 48, 57, 58, 69, 76, 87, 92, 94, 114, 116, 138, 141, 152, 174, 184, 188, 228, 232, 276, 282, 304, 348, 368, 376, 437, 456, 464, 551, 552, 564, 667, 696, 752, 874, 893, 912, 1081, 1102, 1104, 1128, 1311, 1334, 1363, 1392, 1653, 1748, 1786, 2001, 2162, 2204, 2256, 2622, 2668, 2679, 2726, 3243, 3306, 3496, 3572, 4002, 4089, 4324, 4408, 5244, 5336, 5358, 5452, 6486, 6612, 6992, 7144, 8004, 8178, 8648, 8816, 10488, 10672, 10716, 10904, 12673, 12972, 13224, 14288, 16008, 16356, 17296, 20539, 20976, 21432, 21808, 25346, 25897, 25944, 26448, 31349, 32016, 32712, 38019, 41078, 42864, 50692, 51794, 51888, 61617, 62698, 65424, 76038, 77691, 82156, 94047, 101384, 103588, 123234, 125396, 152076, 155382, 164312, 188094, 202768, 207176, 246468, 250792, 304152, 310764, 328624, 376188, 414352, 492936, 501584, 595631, 608304, 621528, 752376, 985872, 1191262, 1243056, 1504752, 1786893, 2382524, 3573786, 4765048, 7147572, 9530096, 14295144, 28590288.
If you add them up, you will get the total of 85,708,800.