64454180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{460387}}^1$

素因数の和:460403

約数の個数: 24

約数和(自身を含む): 154690368

約数和(自身を除く): 90236188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 460387, 920774, 1841548, 2301935, 3222709, 4603870, 6445418, 9207740, 12890836, 16113545, 32227090, 64454180]

約数ペア:

[(1, 64454180), (2, 32227090), (4, 16113545), (5, 12890836), (7, 9207740), (10, 6445418), (14, 4603870), (20, 3222709), (28, 2301935), (35, 1841548), (70, 920774), (140, 460387)]