1285153940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 3129907200

約数和(自身を除く): 1844753260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 199, 283, 326, 398, 566, 652, 796, 815, 995, 1132, 1141, 1393, 1415, 1630, 1981, 1990, 2282, 2786, 2830, 3260, 3962, 3980, 4564, 5572, 5660, 5705, 6965, 7924, 9905, 11410, 13930, 19810, 22820, 27860, 32437, 39620, 46129, 56317, 64874, 92258, 112634, 129748, 162185, 184516, 225268, 227059, 230645, 281585, 322903, 324370, 394219, 454118, 461290, 563170, 645806, 648740, 788438, 908236, 922580, 1126340, 1135295, 1291612, 1576876, 1614515, 1971095, 2270590, 3229030, 3942190, 4541180, 6458060, 7884380, 9179671, 18359342, 36718684, 45898355, 64257697, 91796710, 128515394, 183593420, 257030788, 321288485, 642576970, 1285153940]

約数ペア:

[(1, 1285153940), (2, 642576970), (4, 321288485), (5, 257030788), (7, 183593420), (10, 128515394), (14, 91796710), (20, 64257697), (28, 45898355), (35, 36718684), (70, 18359342), (140, 9179671), (163, 7884380), (199, 6458060), (283, 4541180), (326, 3942190), (398, 3229030), (566, 2270590), (652, 1971095), (796, 1614515), (815, 1576876), (995, 1291612), (1132, 1135295), (1141, 1126340), (1393, 922580), (1415, 908236), (1630, 788438), (1981, 648740), (1990, 645806), (2282, 563170), (2786, 461290), (2830, 454118), (3260, 394219), (3962, 324370), (3980, 322903), (4564, 281585), (5572, 230645), (5660, 227059), (5705, 225268), (6965, 184516), (7924, 162185), (9905, 129748), (11410, 112634), (13930, 92258), (19810, 64874), (22820, 56317), (27860, 46129), (32437, 39620)]