138897479420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23072671}}^1$

素因数の和:23072730

約数の個数: 48

約数和(自身を含む): 341106382848

約数和(自身を除く): 202208903428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 23072671, 46145342, 92290684, 115363355, 161508697, 230726710, 323017394, 461453420, 646034788, 807543485, 992124853, 1615086970, 1984249706, 3230173940, 3968499412, 4960624265, 6944873971, 9921248530, 13889747942, 19842497060, 27779495884, 34724369855, 69448739710, 138897479420]

約数ペア:

[(1, 138897479420), (2, 69448739710), (4, 34724369855), (5, 27779495884), (7, 19842497060), (10, 13889747942), (14, 9921248530), (20, 6944873971), (28, 4960624265), (35, 3968499412), (43, 3230173940), (70, 1984249706), (86, 1615086970), (140, 992124853), (172, 807543485), (215, 646034788), (301, 461453420), (430, 323017394), (602, 230726710), (860, 161508697), (1204, 115363355), (1505, 92290684), (3010, 46145342), (6020, 23072671)]