The factors of the number 351,516,024 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 73, 81, 108, 146, 162, 216, 219, 243, 292, 324, 438, 486, 584, 648, 657, 876, 972, 1314, 1752, 1944, 1971, 2477, 2628, 3942, 4954, 5256, 5913, 7431, 7884, 9908, 11826, 14862, 15768, 17739, 19816, 22293, 23652, 29724, 35478, 44586, 47304, 59448, 66879, 70956, 89172, 133758, 141912, 178344, 180821, 200637, 267516, 361642, 401274, 535032, 542463, 601911, 723284, 802548, 1084926, 1203822, 1446568, 1605096, 1627389, 2169852, 2407644, 3254778, 4339704, 4815288, 4882167, 6509556, 9764334, 13019112, 14646501, 19528668, 29293002, 39057336, 43939503, 58586004, 87879006, 117172008, 175758012, 351516024.
If you add them up, you will get the total of 1,001,211,120.