211304870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{19991}}^1$

素因数の和:20156

約数の個数: 32

約数和(自身を含む): 437584896

約数和(自身を除く): 226280026

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 151, 302, 755, 1057, 1510, 2114, 5285, 10570, 19991, 39982, 99955, 139937, 199910, 279874, 699685, 1399370, 3018641, 6037282, 15093205, 21130487, 30186410, 42260974, 105652435, 211304870]

約数ペア:

[(1, 211304870), (2, 105652435), (5, 42260974), (7, 30186410), (10, 21130487), (14, 15093205), (35, 6037282), (70, 3018641), (151, 1399370), (302, 699685), (755, 279874), (1057, 199910), (1510, 139937), (2114, 99955), (5285, 39982), (10570, 19991)]