209972910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7873}}^1$

素因数の和:8017

約数の個数: 64

約数和(自身を含む): 580534272

約数和(自身を除く): 370561362

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 127, 210, 254, 381, 635, 762, 889, 1270, 1778, 1905, 2667, 3810, 4445, 5334, 7873, 8890, 13335, 15746, 23619, 26670, 39365, 47238, 55111, 78730, 110222, 118095, 165333, 236190, 275555, 330666, 551110, 826665, 999871, 1653330, 1999742, 2999613, 4999355, 5999226, 6999097, 9998710, 13998194, 14998065, 20997291, 29996130, 34995485, 41994582, 69990970, 104986455, 209972910]

約数ペア:

[(1, 209972910), (2, 104986455), (3, 69990970), (5, 41994582), (6, 34995485), (7, 29996130), (10, 20997291), (14, 14998065), (15, 13998194), (21, 9998710), (30, 6999097), (35, 5999226), (42, 4999355), (70, 2999613), (105, 1999742), (127, 1653330), (210, 999871), (254, 826665), (381, 551110), (635, 330666), (762, 275555), (889, 236190), (1270, 165333), (1778, 118095), (1905, 110222), (2667, 78730), (3810, 55111), (4445, 47238), (5334, 39365), (7873, 26670), (8890, 23619), (13335, 15746)]