The factors of the number 340,664,220 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 197, 234, 260, 390, 394, 468, 585, 591, 739, 780, 788, 985, 1170, 1182, 1478, 1773, 1970, 2217, 2340, 2364, 2561, 2955, 2956, 3546, 3695, 3940, 4434, 5122, 5910, 6651, 7092, 7390, 7683, 8865, 8868, 9607, 10244, 11085, 11820, 12805, 13302, 14780, 15366, 17730, 19214, 22170, 23049, 25610, 26604, 28821, 30732, 33255, 35460, 38415, 38428, 44340, 46098, 48035, 51220, 57642, 66510, 76830, 86463, 92196, 96070, 115245, 115284, 133020, 144105, 145583, 153660, 172926, 192140, 230490, 288210, 291166, 345852, 432315, 436749, 460980, 576420, 582332, 727915, 864630, 873498, 1310247, 1455830, 1729260, 1746996, 1892579, 2183745, 2620494, 2911660, 3785158, 4367490, 5240988, 5677737, 6551235, 7570316, 8734980, 9462895, 11355474, 13102470, 17033211, 18925790, 22710948, 26204940, 28388685, 34066422, 37851580, 56777370, 68132844, 85166055, 113554740, 170332110, 340664220.
If you add them up, you will get the total of 1,119,998,880.