419385020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{487657}}^1$

素因数の和:487709

約数の個数: 24

約数和(自身を含む): 901191984

約数和(自身を除く): 481806964

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 487657, 975314, 1950628, 2438285, 4876570, 9753140, 20969251, 41938502, 83877004, 104846255, 209692510, 419385020]

約数ペア:

[(1, 419385020), (2, 209692510), (4, 104846255), (5, 83877004), (10, 41938502), (20, 20969251), (43, 9753140), (86, 4876570), (172, 2438285), (215, 1950628), (430, 975314), (860, 487657)]