64774780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{462677}}^1$

素因数の和:462693

約数の個数: 24

約数和(自身を含む): 155459808

約数和(自身を除く): 90685028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 462677, 925354, 1850708, 2313385, 3238739, 4626770, 6477478, 9253540, 12954956, 16193695, 32387390, 64774780]

約数ペア:

[(1, 64774780), (2, 32387390), (4, 16193695), (5, 12954956), (7, 9253540), (10, 6477478), (14, 4626770), (20, 3238739), (28, 2313385), (35, 1850708), (70, 925354), (140, 462677)]