64489180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{460637}}^1$

素因数の和:460653

約数の個数: 24

約数和(自身を含む): 154774368

約数和(自身を除く): 90285188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 460637, 921274, 1842548, 2303185, 3224459, 4606370, 6448918, 9212740, 12897836, 16122295, 32244590, 64489180]

約数ペア:

[(1, 64489180), (2, 32244590), (4, 16122295), (5, 12897836), (7, 9212740), (10, 6448918), (14, 4606370), (20, 3224459), (28, 2303185), (35, 1842548), (70, 921274), (140, 460637)]