The factors of the number 404,444,520 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 461, 922, 1383, 1844, 2305, 2437, 2766, 3688, 4149, 4610, 4874, 5532, 6915, 7311, 8298, 9220, 9748, 11064, 12185, 13830, 14622, 16596, 18440, 19496, 20745, 21933, 24370, 27660, 29244, 33192, 36555, 41490, 43866, 48740, 55320, 58488, 73110, 82980, 87732, 97480, 109665, 146220, 165960, 175464, 219330, 292440, 438660, 877320, 1123457, 2246914, 3370371, 4493828, 5617285, 6740742, 8987656, 10111113, 11234570, 13481484, 16851855, 20222226, 22469140, 26962968, 33703710, 40444452, 44938280, 50555565, 67407420, 80888904, 101111130, 134814840, 202222260, 404444520.
If you add them up, you will get the total of 1,317,836,520.