129381140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{924151}}^1$

素因数の和:924167

約数の個数: 24

約数和(自身を含む): 310515072

約数和(自身を除く): 181133932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 924151, 1848302, 3696604, 4620755, 6469057, 9241510, 12938114, 18483020, 25876228, 32345285, 64690570, 129381140]

約数ペア:

[(1, 129381140), (2, 64690570), (4, 32345285), (5, 25876228), (7, 18483020), (10, 12938114), (14, 9241510), (20, 6469057), (28, 4620755), (35, 3696604), (70, 1848302), (140, 924151)]