The factors of the number 440,024,424 are: 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 37, 42, 56, 58, 74, 84, 87, 111, 116, 148, 168, 174, 203, 222, 232, 259, 296, 348, 406, 444, 518, 609, 696, 777, 812, 888, 1036, 1073, 1218, 1554, 1624, 2072, 2146, 2436, 2441, 3108, 3219, 4292, 4872, 4882, 6216, 6438, 7323, 7511, 8584, 9764, 12876, 14646, 15022, 17087, 19528, 22533, 25752, 29292, 30044, 34174, 45066, 51261, 58584, 60088, 68348, 70789, 90132, 90317, 102522, 136696, 141578, 180264, 180634, 205044, 212367, 270951, 283156, 361268, 410088, 424734, 495523, 541902, 566312, 632219, 722536, 849468, 991046, 1083804, 1264438, 1486569, 1698936, 1896657, 1982092, 2167608, 2528876, 2619193, 2973138, 3793314, 3964184, 5057752, 5238386, 5946276, 7586628, 7857579, 10476772, 11892552, 15173256, 15715158, 18334351, 20953544, 31430316, 36668702, 55003053, 62860632, 73337404, 110006106, 146674808, 220012212, 440024424.
If you add them up, you will get the total of 1,336,262,400.