The factors of the number 447,656,664 are: 1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 169, 182, 273, 312, 338, 364, 507, 546, 676, 728, 1014, 1092, 1183, 1352, 2028, 2184, 2366, 3549, 4056, 4732, 7098, 9464, 14196, 15767, 28392, 31534, 47301, 63068, 94602, 110369, 126136, 189204, 204971, 220738, 331107, 378408, 409942, 441476, 614913, 662214, 819884, 882952, 1229826, 1324428, 1434797, 1639768, 2459652, 2648856, 2664623, 2869594, 4304391, 4919304, 5329246, 5739188, 7993869, 8608782, 10658492, 11478376, 15987738, 17217564, 18652361, 21316984, 31975476, 34435128, 37304722, 55957083, 63950952, 74609444, 111914166, 149218888, 223828332, 447656664.
If you add them up, you will get the total of 1,385,061,120.