The factors of the number 378,271,620 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 103, 108, 135, 162, 180, 206, 270, 309, 324, 405, 412, 515, 540, 618, 810, 927, 1030, 1236, 1545, 1620, 1854, 2060, 2267, 2781, 3090, 3708, 4534, 4635, 5562, 6180, 6801, 8343, 9068, 9270, 11124, 11335, 13602, 13905, 16686, 18540, 20403, 22670, 27204, 27810, 33372, 34005, 40806, 41715, 45340, 55620, 61209, 68010, 81612, 83430, 102015, 122418, 136020, 166860, 183627, 204030, 233501, 244836, 306045, 367254, 408060, 467002, 612090, 700503, 734508, 918135, 934004, 1167505, 1224180, 1401006, 1836270, 2101509, 2335010, 2802012, 3502515, 3672540, 4203018, 4670020, 6304527, 7005030, 8406036, 10507545, 12609054, 14010060, 18913581, 21015090, 25218108, 31522635, 37827162, 42030180, 63045270, 75654324, 94567905, 126090540, 189135810, 378271620.
If you add them up, you will get the total of 378,272,440. Now subtract 378,271,620 to get 820,429,884