422260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 909216

約数和(自身を除く): 486956

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 491, 860, 982, 1964, 2455, 4910, 9820, 21113, 42226, 84452, 105565, 211130, 422260]

約数ペア:

[(1, 422260), (2, 211130), (4, 105565), (5, 84452), (10, 42226), (20, 21113), (43, 9820), (86, 4910), (172, 2455), (215, 1964), (430, 982), (491, 860)]