81846700

素因数分解:

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

素因数の和:236

約数の個数: 108

約数和(自身を含む): 200143440

約数和(自身を除く): 118296740

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 167, 169, 260, 290, 325, 334, 338, 377, 580, 650, 668, 676, 725, 754, 835, 845, 1300, 1450, 1508, 1670, 1690, 1885, 2171, 2900, 3340, 3380, 3770, 4175, 4225, 4342, 4843, 4901, 7540, 8350, 8450, 8684, 9425, 9686, 9802, 10855, 16700, 16900, 18850, 19372, 19604, 21710, 24215, 24505, 28223, 37700, 43420, 48430, 49010, 54275, 56446, 62959, 96860, 98020, 108550, 112892, 121075, 122525, 125918, 141115, 217100, 242150, 245050, 251836, 282230, 314795, 484300, 490100, 564460, 629590, 705575, 818467, 1259180, 1411150, 1573975, 1636934, 2822300, 3147950, 3273868, 4092335, 6295900, 8184670, 16369340, 20461675, 40923350, 81846700]

約数ペア:

[(1, 81846700), (2, 40923350), (4, 20461675), (5, 16369340), (10, 8184670), (13, 6295900), (20, 4092335), (25, 3273868), (26, 3147950), (29, 2822300), (50, 1636934), (52, 1573975), (58, 1411150), (65, 1259180), (100, 818467), (116, 705575), (130, 629590), (145, 564460), (167, 490100), (169, 484300), (260, 314795), (290, 282230), (325, 251836), (334, 245050), (338, 242150), (377, 217100), (580, 141115), (650, 125918), (668, 122525), (676, 121075), (725, 112892), (754, 108550), (835, 98020), (845, 96860), (1300, 62959), (1450, 56446), (1508, 54275), (1670, 49010), (1690, 48430), (1885, 43420), (2171, 37700), (2900, 28223), (3340, 24505), (3380, 24215), (3770, 21710), (4175, 19604), (4225, 19372), (4342, 18850), (4843, 16900), (4901, 16700), (7540, 10855), (8350, 9802), (8450, 9686), (8684, 9425)]