623702950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2450

約数の個数: 72

約数和(自身を含む): 1297256256

約数和(自身を除く): 673553306

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 169, 310, 325, 338, 403, 650, 775, 806, 845, 1550, 1690, 2015, 2381, 4030, 4225, 4762, 5239, 8450, 10075, 10478, 11905, 20150, 23810, 26195, 30953, 52390, 59525, 61906, 73811, 119050, 130975, 147622, 154765, 261950, 309530, 369055, 402389, 738110, 773825, 804778, 959543, 1547650, 1845275, 1919086, 2011945, 3690550, 4023890, 4797715, 9595430, 10059725, 12474059, 20119450, 23988575, 24948118, 47977150, 62370295, 124740590, 311851475, 623702950]

約数ペア:

[(1, 623702950), (2, 311851475), (5, 124740590), (10, 62370295), (13, 47977150), (25, 24948118), (26, 23988575), (31, 20119450), (50, 12474059), (62, 10059725), (65, 9595430), (130, 4797715), (155, 4023890), (169, 3690550), (310, 2011945), (325, 1919086), (338, 1845275), (403, 1547650), (650, 959543), (775, 804778), (806, 773825), (845, 738110), (1550, 402389), (1690, 369055), (2015, 309530), (2381, 261950), (4030, 154765), (4225, 147622), (4762, 130975), (5239, 119050), (8450, 73811), (10075, 61906), (10478, 59525), (11905, 52390), (20150, 30953), (23810, 26195)]