The factors of the number 273,035,280 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 331, 336, 420, 491, 560, 662, 840, 982, 993, 1324, 1473, 1655, 1680, 1964, 1986, 2317, 2455, 2648, 2946, 3310, 3437, 3928, 3972, 4634, 4910, 4965, 5296, 5892, 6620, 6874, 6951, 7365, 7856, 7944, 9268, 9820, 9930, 10311, 11585, 11784, 13240, 13748, 13902, 14730, 15888, 17185, 18536, 19640, 19860, 20622, 23170, 23568, 26480, 27496, 27804, 29460, 34370, 34755, 37072, 39280, 39720, 41244, 46340, 51555, 54992, 55608, 58920, 68740, 69510, 79440, 82488, 92680, 103110, 111216, 117840, 137480, 139020, 162521, 164976, 185360, 206220, 274960, 278040, 325042, 412440, 487563, 556080, 650084, 812605, 824880, 975126, 1137647, 1300168, 1625210, 1950252, 2275294, 2437815, 2600336, 3250420, 3412941, 3900504, 4550588, 4875630, 5688235, 6500840, 6825882, 7801008, 9101176, 9751260, 11376470, 13001680, 13651764, 17064705, 18202352, 19502520, 22752940, 27303528, 34129410, 39005040, 45505880, 54607056, 68258820, 91011760, 136517640, 273035280.
If you add them up, you will get the total of 972,223,488.