156728099420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2521}}^1\times {\mathrm{43781}}^1$

素因数の和:46382

約数の個数: 48

約数和(自身を含む): 333904648896

約数和(自身を除く): 177176549476

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2521, 5042, 10084, 12605, 25210, 43781, 50420, 87562, 175124, 178991, 218905, 357982, 437810, 715964, 875620, 894955, 1789910, 3108451, 3579820, 6216902, 12433804, 15542255, 31084510, 62169020, 110371901, 220743802, 441487604, 551859505, 1103719010, 2207438020, 7836404971, 15672809942, 31345619884, 39182024855, 78364049710, 156728099420]

約数ペア:

[(1, 156728099420), (2, 78364049710), (4, 39182024855), (5, 31345619884), (10, 15672809942), (20, 7836404971), (71, 2207438020), (142, 1103719010), (284, 551859505), (355, 441487604), (710, 220743802), (1420, 110371901), (2521, 62169020), (5042, 31084510), (10084, 15542255), (12605, 12433804), (25210, 6216902), (43781, 3579820), (50420, 3108451), (87562, 1789910), (175124, 894955), (178991, 875620), (218905, 715964), (357982, 437810)]