2156844740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{977}}^1$

素因数の和:1197

約数の個数: 96

約数和(自身を含む): 4944893184

約数和(自身を除く): 2788048444

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 151, 170, 172, 215, 302, 340, 430, 604, 731, 755, 860, 977, 1462, 1510, 1954, 2567, 2924, 3020, 3655, 3908, 4885, 5134, 6493, 7310, 9770, 10268, 12835, 12986, 14620, 16609, 19540, 25670, 25972, 32465, 33218, 42011, 51340, 64930, 66436, 83045, 84022, 110381, 129860, 147527, 166090, 168044, 210055, 220762, 295054, 332180, 420110, 441524, 551905, 590108, 714187, 737635, 840220, 1103810, 1428374, 1475270, 2207620, 2507959, 2856748, 2950540, 3570935, 5015918, 6343661, 7141870, 10031836, 12539795, 12687322, 14283740, 25079590, 25374644, 31718305, 50159180, 63436610, 107842237, 126873220, 215684474, 431368948, 539211185, 1078422370, 2156844740]

約数ペア:

[(1, 2156844740), (2, 1078422370), (4, 539211185), (5, 431368948), (10, 215684474), (17, 126873220), (20, 107842237), (34, 63436610), (43, 50159180), (68, 31718305), (85, 25374644), (86, 25079590), (151, 14283740), (170, 12687322), (172, 12539795), (215, 10031836), (302, 7141870), (340, 6343661), (430, 5015918), (604, 3570935), (731, 2950540), (755, 2856748), (860, 2507959), (977, 2207620), (1462, 1475270), (1510, 1428374), (1954, 1103810), (2567, 840220), (2924, 737635), (3020, 714187), (3655, 590108), (3908, 551905), (4885, 441524), (5134, 420110), (6493, 332180), (7310, 295054), (9770, 220762), (10268, 210055), (12835, 168044), (12986, 166090), (14620, 147527), (16609, 129860), (19540, 110381), (25670, 84022), (25972, 83045), (32465, 66436), (33218, 64930), (42011, 51340)]