161021140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1150151}}^1$

素因数の和:1150167

約数の個数: 24

約数和(自身を含む): 386451072

約数和(自身を除く): 225429932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1150151, 2300302, 4600604, 5750755, 8051057, 11501510, 16102114, 23003020, 32204228, 40255285, 80510570, 161021140]

約数ペア:

[(1, 161021140), (2, 80510570), (4, 40255285), (5, 32204228), (7, 23003020), (10, 16102114), (14, 11501510), (20, 8051057), (28, 5750755), (35, 4600604), (70, 2300302), (140, 1150151)]