70742980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:745

約数の個数: 96

約数和(自身を含む): 188116992

約数和(自身を除く): 117374012

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 71, 77, 110, 140, 142, 154, 220, 284, 308, 355, 385, 497, 647, 710, 770, 781, 994, 1294, 1420, 1540, 1562, 1988, 2485, 2588, 3124, 3235, 3905, 4529, 4970, 5467, 6470, 7117, 7810, 9058, 9940, 10934, 12940, 14234, 15620, 18116, 21868, 22645, 27335, 28468, 35585, 45290, 45937, 49819, 54670, 71170, 90580, 91874, 99638, 109340, 142340, 183748, 199276, 229685, 249095, 321559, 459370, 498190, 505307, 643118, 918740, 996380, 1010614, 1286236, 1607795, 2021228, 2526535, 3215590, 3537149, 5053070, 6431180, 7074298, 10106140, 14148596, 17685745, 35371490, 70742980]

約数ペア:

[(1, 70742980), (2, 35371490), (4, 17685745), (5, 14148596), (7, 10106140), (10, 7074298), (11, 6431180), (14, 5053070), (20, 3537149), (22, 3215590), (28, 2526535), (35, 2021228), (44, 1607795), (55, 1286236), (70, 1010614), (71, 996380), (77, 918740), (110, 643118), (140, 505307), (142, 498190), (154, 459370), (220, 321559), (284, 249095), (308, 229685), (355, 199276), (385, 183748), (497, 142340), (647, 109340), (710, 99638), (770, 91874), (781, 90580), (994, 71170), (1294, 54670), (1420, 49819), (1540, 45937), (1562, 45290), (1988, 35585), (2485, 28468), (2588, 27335), (3124, 22645), (3235, 21868), (3905, 18116), (4529, 15620), (4970, 14234), (5467, 12940), (6470, 10934), (7117, 9940), (7810, 9058)]