42090580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{300647}}^1$

素因数の和:300663

約数の個数: 24

約数和(自身を含む): 101017728

約数和(自身を除く): 58927148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 300647, 601294, 1202588, 1503235, 2104529, 3006470, 4209058, 6012940, 8418116, 10522645, 21045290, 42090580]

約数ペア:

[(1, 42090580), (2, 21045290), (4, 10522645), (5, 8418116), (7, 6012940), (10, 4209058), (14, 3006470), (20, 2104529), (28, 1503235), (35, 1202588), (70, 601294), (140, 300647)]