The factors of the number 445,540,260 are: 1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 47, 53, 55, 60, 66, 94, 106, 110, 132, 141, 159, 165, 188, 212, 220, 235, 265, 271, 282, 318, 330, 470, 517, 530, 542, 564, 583, 636, 660, 705, 795, 813, 940, 1034, 1060, 1084, 1166, 1355, 1410, 1551, 1590, 1626, 1749, 2068, 2332, 2491, 2585, 2710, 2820, 2915, 2981, 3102, 3180, 3252, 3498, 4065, 4982, 5170, 5420, 5830, 5962, 6204, 6996, 7473, 7755, 8130, 8745, 8943, 9964, 10340, 11660, 11924, 12455, 12737, 14363, 14905, 14946, 15510, 16260, 17490, 17886, 24910, 25474, 27401, 28726, 29810, 29892, 31020, 34980, 35772, 37365, 38211, 43089, 44715, 49820, 50948, 54802, 57452, 59620, 63685, 71815, 74730, 76422, 82203, 86178, 89430, 109604, 127370, 137005, 140107, 143630, 149460, 152844, 157993, 164406, 172356, 178860, 191055, 215445, 254740, 274010, 280214, 287260, 315986, 328812, 382110, 411015, 420321, 430890, 473979, 548020, 560428, 631972, 675061, 700535, 764220, 789965, 822030, 840642, 861780, 947958, 1350122, 1401070, 1579930, 1644060, 1681284, 1895916, 2025183, 2101605, 2369895, 2700244, 2802140, 3159860, 3375305, 4050366, 4203210, 4739790, 6750610, 7425671, 8100732, 8406420, 9479580, 10125915, 13501220, 14851342, 20251830, 22277013, 29702684, 37128355, 40503660, 44554026, 74256710, 89108052, 111385065, 148513420, 222770130, 445540260.
If you add them up, you will get the total of 1,421,328,384.