420147650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:804

約数の個数: 96

約数和(自身を含む): 899942400

約数和(自身を除く): 479794750

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 31, 50, 58, 62, 65, 130, 145, 155, 290, 310, 325, 377, 403, 650, 719, 725, 754, 775, 806, 899, 1438, 1450, 1550, 1798, 1885, 2015, 3595, 3770, 4030, 4495, 7190, 8990, 9347, 9425, 10075, 11687, 17975, 18694, 18850, 20150, 20851, 22289, 22475, 23374, 35950, 41702, 44578, 44950, 46735, 58435, 93470, 104255, 111445, 116870, 208510, 222890, 233675, 271063, 289757, 292175, 467350, 521275, 542126, 557225, 579514, 584350, 646381, 1042550, 1114450, 1292762, 1355315, 1448785, 2710630, 2897570, 3231905, 6463810, 6776575, 7243925, 8402953, 13553150, 14487850, 16159525, 16805906, 32319050, 42014765, 84029530, 210073825, 420147650]

約数ペア:

[(1, 420147650), (2, 210073825), (5, 84029530), (10, 42014765), (13, 32319050), (25, 16805906), (26, 16159525), (29, 14487850), (31, 13553150), (50, 8402953), (58, 7243925), (62, 6776575), (65, 6463810), (130, 3231905), (145, 2897570), (155, 2710630), (290, 1448785), (310, 1355315), (325, 1292762), (377, 1114450), (403, 1042550), (650, 646381), (719, 584350), (725, 579514), (754, 557225), (775, 542126), (806, 521275), (899, 467350), (1438, 292175), (1450, 289757), (1550, 271063), (1798, 233675), (1885, 222890), (2015, 208510), (3595, 116870), (3770, 111445), (4030, 104255), (4495, 93470), (7190, 58435), (8990, 46735), (9347, 44950), (9425, 44578), (10075, 41702), (11687, 35950), (17975, 23374), (18694, 22475), (18850, 22289), (20150, 20851)]