280978048

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:490

約数の個数: 96

約数和(自身を含む): 627177600

約数和(自身を除く): 346199552

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 169, 208, 248, 338, 403, 416, 419, 496, 676, 806, 832, 838, 992, 1352, 1612, 1664, 1676, 1984, 2704, 3224, 3352, 3968, 5239, 5408, 5447, 6448, 6704, 10478, 10816, 10894, 12896, 12989, 13408, 20956, 21632, 21788, 25792, 25978, 26816, 41912, 43576, 51584, 51956, 53632, 70811, 83824, 87152, 103912, 141622, 167648, 168857, 174304, 207824, 283244, 335296, 337714, 348608, 415648, 566488, 670592, 675428, 697216, 831296, 1132976, 1350856, 1662592, 2195141, 2265952, 2701712, 4390282, 4531904, 5403424, 8780564, 9063808, 10806848, 17561128, 21613696, 35122256, 70244512, 140489024, 280978048]

約数ペア:

[(1, 280978048), (2, 140489024), (4, 70244512), (8, 35122256), (13, 21613696), (16, 17561128), (26, 10806848), (31, 9063808), (32, 8780564), (52, 5403424), (62, 4531904), (64, 4390282), (104, 2701712), (124, 2265952), (128, 2195141), (169, 1662592), (208, 1350856), (248, 1132976), (338, 831296), (403, 697216), (416, 675428), (419, 670592), (496, 566488), (676, 415648), (806, 348608), (832, 337714), (838, 335296), (992, 283244), (1352, 207824), (1612, 174304), (1664, 168857), (1676, 167648), (1984, 141622), (2704, 103912), (3224, 87152), (3352, 83824), (3968, 70811), (5239, 53632), (5408, 51956), (5447, 51584), (6448, 43576), (6704, 41912), (10478, 26816), (10816, 25978), (10894, 25792), (12896, 21788), (12989, 21632), (13408, 20956)]