The factors of the number 343,040,320 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 320, 370, 448, 518, 560, 592, 740, 1036, 1120, 1184, 1295, 1480, 2072, 2240, 2368, 2590, 2960, 4139, 4144, 5180, 5920, 8278, 8288, 10360, 11840, 16556, 16576, 20695, 20720, 28973, 33112, 41390, 41440, 57946, 66224, 82780, 82880, 115892, 132448, 144865, 153143, 165560, 231784, 264896, 289730, 306286, 331120, 463568, 579460, 612572, 662240, 765715, 927136, 1072001, 1158920, 1225144, 1324480, 1531430, 1854272, 2144002, 2317840, 2450288, 3062860, 4288004, 4635680, 4900576, 5360005, 6125720, 8576008, 9271360, 9801152, 10720010, 12251440, 17152016, 21440020, 24502880, 34304032, 42880040, 49005760, 68608064, 85760080, 171520160, 343040320.
If you add them up, you will get the total of 959,022,720.