71350580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509647}}^1$

素因数の和:509663

約数の個数: 24

約数和(自身を含む): 171241728

約数和(自身を除く): 99891148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509647, 1019294, 2038588, 2548235, 3567529, 5096470, 7135058, 10192940, 14270116, 17837645, 35675290, 71350580]

約数ペア:

[(1, 71350580), (2, 35675290), (4, 17837645), (5, 14270116), (7, 10192940), (10, 7135058), (14, 5096470), (20, 3567529), (28, 2548235), (35, 2038588), (70, 1019294), (140, 509647)]