The factors of the number 253,612,620 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 89, 90, 108, 135, 162, 178, 180, 267, 270, 324, 356, 405, 445, 534, 540, 801, 810, 890, 1068, 1335, 1602, 1620, 1759, 1780, 2403, 2670, 3204, 3518, 4005, 4806, 5277, 5340, 7036, 7209, 8010, 8795, 9612, 10554, 12015, 14418, 15831, 16020, 17590, 21108, 24030, 26385, 28836, 31662, 35180, 36045, 47493, 48060, 52770, 63324, 72090, 79155, 94986, 105540, 142479, 144180, 156551, 158310, 189972, 237465, 284958, 313102, 316620, 469653, 474930, 569916, 626204, 712395, 782755, 939306, 949860, 1408959, 1424790, 1565510, 1878612, 2348265, 2817918, 2849580, 3131020, 4226877, 4696530, 5635836, 7044795, 8453754, 9393060, 12680631, 14089590, 16907508, 21134385, 25361262, 28179180, 42268770, 50722524, 63403155, 84537540, 126806310, 253612620.
If you add them up, you will get the total of 804,988,800.