628679380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{8521}}^1$

素因数の和:8585

約数の個数: 96

約数和(自身を含む): 1649313792

約数和(自身を除く): 1020634412

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 62, 68, 70, 85, 119, 124, 140, 155, 170, 217, 238, 310, 340, 434, 476, 527, 595, 620, 868, 1054, 1085, 1190, 2108, 2170, 2380, 2635, 3689, 4340, 5270, 7378, 8521, 10540, 14756, 17042, 18445, 34084, 36890, 42605, 59647, 73780, 85210, 119294, 144857, 170420, 238588, 264151, 289714, 298235, 528302, 579428, 596470, 724285, 1013999, 1056604, 1192940, 1320755, 1448570, 1849057, 2027998, 2641510, 2897140, 3698114, 4055996, 4490567, 5069995, 5283020, 7396228, 8981134, 9245285, 10139990, 17962268, 18490570, 20279980, 22452835, 31433969, 36981140, 44905670, 62867938, 89811340, 125735876, 157169845, 314339690, 628679380]

約数ペア:

[(1, 628679380), (2, 314339690), (4, 157169845), (5, 125735876), (7, 89811340), (10, 62867938), (14, 44905670), (17, 36981140), (20, 31433969), (28, 22452835), (31, 20279980), (34, 18490570), (35, 17962268), (62, 10139990), (68, 9245285), (70, 8981134), (85, 7396228), (119, 5283020), (124, 5069995), (140, 4490567), (155, 4055996), (170, 3698114), (217, 2897140), (238, 2641510), (310, 2027998), (340, 1849057), (434, 1448570), (476, 1320755), (527, 1192940), (595, 1056604), (620, 1013999), (868, 724285), (1054, 596470), (1085, 579428), (1190, 528302), (2108, 298235), (2170, 289714), (2380, 264151), (2635, 238588), (3689, 170420), (4340, 144857), (5270, 119294), (7378, 85210), (8521, 73780), (10540, 59647), (14756, 42605), (17042, 36890), (18445, 34084)]