71457820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4019}}^1$

素因数の和:4162

約数の個数: 48

約数和(自身を含む): 172892160

約数和(自身を除く): 101434340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4019, 4445, 8038, 8890, 16076, 17780, 20095, 28133, 40190, 56266, 80380, 112532, 140665, 281330, 510413, 562660, 1020826, 2041652, 2552065, 3572891, 5104130, 7145782, 10208260, 14291564, 17864455, 35728910, 71457820]

約数ペア:

[(1, 71457820), (2, 35728910), (4, 17864455), (5, 14291564), (7, 10208260), (10, 7145782), (14, 5104130), (20, 3572891), (28, 2552065), (35, 2041652), (70, 1020826), (127, 562660), (140, 510413), (254, 281330), (508, 140665), (635, 112532), (889, 80380), (1270, 56266), (1778, 40190), (2540, 28133), (3556, 20095), (4019, 17780), (4445, 16076), (8038, 8890)]