144584920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{84061}}^1$

素因数の和:84115

約数の個数: 32

約数和(自身を含む): 332885520

約数和(自身を除く): 188300600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 84061, 168122, 336244, 420305, 672488, 840610, 1681220, 3362440, 3614623, 7229246, 14458492, 18073115, 28916984, 36146230, 72292460, 144584920]

約数ペア:

[(1, 144584920), (2, 72292460), (4, 36146230), (5, 28916984), (8, 18073115), (10, 14458492), (20, 7229246), (40, 3614623), (43, 3362440), (86, 1681220), (172, 840610), (215, 672488), (344, 420305), (430, 336244), (860, 168122), (1720, 84061)]