31479500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 77051520

約数和(自身を除く): 45572020

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 125, 130, 145, 167, 250, 260, 290, 325, 334, 377, 500, 580, 650, 668, 725, 754, 835, 1300, 1450, 1508, 1625, 1670, 1885, 2171, 2900, 3250, 3340, 3625, 3770, 4175, 4342, 4843, 6500, 7250, 7540, 8350, 8684, 9425, 9686, 10855, 14500, 16700, 18850, 19372, 20875, 21710, 24215, 37700, 41750, 43420, 47125, 48430, 54275, 62959, 83500, 94250, 96860, 108550, 121075, 125918, 188500, 217100, 242150, 251836, 271375, 314795, 484300, 542750, 605375, 629590, 1085500, 1210750, 1259180, 1573975, 2421500, 3147950, 6295900, 7869875, 15739750, 31479500]

約数ペア:

[(1, 31479500), (2, 15739750), (4, 7869875), (5, 6295900), (10, 3147950), (13, 2421500), (20, 1573975), (25, 1259180), (26, 1210750), (29, 1085500), (50, 629590), (52, 605375), (58, 542750), (65, 484300), (100, 314795), (116, 271375), (125, 251836), (130, 242150), (145, 217100), (167, 188500), (250, 125918), (260, 121075), (290, 108550), (325, 96860), (334, 94250), (377, 83500), (500, 62959), (580, 54275), (650, 48430), (668, 47125), (725, 43420), (754, 41750), (835, 37700), (1300, 24215), (1450, 21710), (1508, 20875), (1625, 19372), (1670, 18850), (1885, 16700), (2171, 14500), (2900, 10855), (3250, 9686), (3340, 9425), (3625, 8684), (3770, 8350), (4175, 7540), (4342, 7250), (4843, 6500)]