The factors of the number 446,620,512 are: 1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 89, 96, 104, 156, 178, 208, 267, 312, 356, 416, 534, 624, 712, 1068, 1157, 1248, 1424, 2136, 2314, 2848, 3471, 4021, 4272, 4628, 6942, 8042, 8544, 9256, 12063, 13884, 16084, 18512, 24126, 27768, 32168, 37024, 48252, 52273, 55536, 64336, 96504, 104546, 111072, 128672, 156819, 193008, 209092, 313638, 357869, 386016, 418184, 627276, 715738, 836368, 1073607, 1254552, 1431476, 1672736, 2147214, 2509104, 2862952, 4294428, 4652297, 5018208, 5725904, 8588856, 9304594, 11451808, 13956891, 17177712, 18609188, 27913782, 34355424, 37218376, 55827564, 74436752, 111655128, 148873504, 223310256, 446620512.
If you add them up, you will get the total of 1,277,065,440.