The factors of the number 344,052,320 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 179, 205, 293, 328, 358, 410, 586, 656, 716, 820, 895, 1172, 1312, 1432, 1465, 1640, 1790, 2344, 2864, 2930, 3280, 3580, 4688, 5728, 5860, 6560, 7160, 7339, 9376, 11720, 12013, 14320, 14678, 23440, 24026, 28640, 29356, 36695, 46880, 48052, 52447, 58712, 60065, 73390, 96104, 104894, 117424, 120130, 146780, 192208, 209788, 234848, 240260, 262235, 293560, 384416, 419576, 480520, 524470, 587120, 839152, 961040, 1048940, 1174240, 1678304, 1922080, 2097880, 2150327, 4195760, 4300654, 8391520, 8601308, 10751635, 17202616, 21503270, 34405232, 43006540, 68810464, 86013080, 172026160, 344052320.
If you add them up, you will get the total of 840,157,920.