205004100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2381}}^1$

素因数の和:2446

約数の個数: 144

約数和(自身を含む): 694705536

約数和(自身を除く): 489701436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 41, 42, 50, 60, 70, 75, 82, 84, 100, 105, 123, 140, 150, 164, 175, 205, 210, 246, 287, 300, 350, 410, 420, 492, 525, 574, 615, 700, 820, 861, 1025, 1050, 1148, 1230, 1435, 1722, 2050, 2100, 2381, 2460, 2870, 3075, 3444, 4100, 4305, 4762, 5740, 6150, 7143, 7175, 8610, 9524, 11905, 12300, 14286, 14350, 16667, 17220, 21525, 23810, 28572, 28700, 33334, 35715, 43050, 47620, 50001, 59525, 66668, 71430, 83335, 86100, 97621, 100002, 119050, 142860, 166670, 178575, 195242, 200004, 238100, 250005, 292863, 333340, 357150, 390484, 416675, 488105, 500010, 585726, 683347, 714300, 833350, 976210, 1000020, 1171452, 1250025, 1366694, 1464315, 1666700, 1952420, 2050041, 2440525, 2500050, 2733388, 2928630, 3416735, 4100082, 4881050, 5000100, 5857260, 6833470, 7321575, 8200164, 9762100, 10250205, 13666940, 14643150, 17083675, 20500410, 29286300, 34167350, 41000820, 51251025, 68334700, 102502050, 205004100]

約数ペア:

[(1, 205004100), (2, 102502050), (3, 68334700), (4, 51251025), (5, 41000820), (6, 34167350), (7, 29286300), (10, 20500410), (12, 17083675), (14, 14643150), (15, 13666940), (20, 10250205), (21, 9762100), (25, 8200164), (28, 7321575), (30, 6833470), (35, 5857260), (41, 5000100), (42, 4881050), (50, 4100082), (60, 3416735), (70, 2928630), (75, 2733388), (82, 2500050), (84, 2440525), (100, 2050041), (105, 1952420), (123, 1666700), (140, 1464315), (150, 1366694), (164, 1250025), (175, 1171452), (205, 1000020), (210, 976210), (246, 833350), (287, 714300), (300, 683347), (350, 585726), (410, 500010), (420, 488105), (492, 416675), (525, 390484), (574, 357150), (615, 333340), (700, 292863), (820, 250005), (861, 238100), (1025, 200004), (1050, 195242), (1148, 178575), (1230, 166670), (1435, 142860), (1722, 119050), (2050, 100002), (2100, 97621), (2381, 86100), (2460, 83335), (2870, 71430), (3075, 66668), (3444, 59525), (4100, 50001), (4305, 47620), (4762, 43050), (5740, 35715), (6150, 33334), (7143, 28700), (7175, 28572), (8610, 23810), (9524, 21525), (11905, 17220), (12300, 16667), (14286, 14350)]