420210620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{488617}}^1$

素因数の和:488669

約数の個数: 24

約数和(自身を含む): 902966064

約数和(自身を除く): 482755444

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 488617, 977234, 1954468, 2443085, 4886170, 9772340, 21010531, 42021062, 84042124, 105052655, 210105310, 420210620]

約数ペア:

[(1, 420210620), (2, 210105310), (4, 105052655), (5, 84042124), (10, 42021062), (20, 21010531), (43, 9772340), (86, 4886170), (172, 2443085), (215, 1954468), (430, 977234), (860, 488617)]