201261980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 464486400

約数和(自身を除く): 263224420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 79, 85, 118, 127, 158, 170, 236, 254, 295, 316, 340, 395, 508, 590, 635, 790, 1003, 1180, 1270, 1343, 1580, 2006, 2159, 2540, 2686, 4012, 4318, 4661, 5015, 5372, 6715, 7493, 8636, 9322, 10030, 10033, 10795, 13430, 14986, 18644, 20060, 20066, 21590, 23305, 26860, 29972, 37465, 40132, 43180, 46610, 50165, 74930, 79237, 93220, 100330, 127381, 149860, 158474, 170561, 200660, 254762, 316948, 341122, 396185, 509524, 591947, 636905, 682244, 792370, 852805, 1183894, 1273810, 1584740, 1705610, 2367788, 2547620, 2959735, 3411220, 5919470, 10063099, 11838940, 20126198, 40252396, 50315495, 100630990, 201261980]

約数ペア:

[(1, 201261980), (2, 100630990), (4, 50315495), (5, 40252396), (10, 20126198), (17, 11838940), (20, 10063099), (34, 5919470), (59, 3411220), (68, 2959735), (79, 2547620), (85, 2367788), (118, 1705610), (127, 1584740), (158, 1273810), (170, 1183894), (236, 852805), (254, 792370), (295, 682244), (316, 636905), (340, 591947), (395, 509524), (508, 396185), (590, 341122), (635, 316948), (790, 254762), (1003, 200660), (1180, 170561), (1270, 158474), (1343, 149860), (1580, 127381), (2006, 100330), (2159, 93220), (2540, 79237), (2686, 74930), (4012, 50165), (4318, 46610), (4661, 43180), (5015, 40132), (5372, 37465), (6715, 29972), (7493, 26860), (8636, 23305), (9322, 21590), (10030, 20066), (10033, 20060), (10795, 18644), (13430, 14986)]