30406705

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1571}}^1$

素因数の和:1669

約数の個数: 24

約数和(自身を含む): 43009920

約数和(自身を除く): 12603215

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 1571, 2765, 3871, 7855, 10997, 19355, 54985, 76979, 124109, 384895, 620545, 868763, 4343815, 6081341, 30406705]

約数ペア:

[(1, 30406705), (5, 6081341), (7, 4343815), (35, 868763), (49, 620545), (79, 384895), (245, 124109), (395, 76979), (553, 54985), (1571, 19355), (2765, 10997), (3871, 7855)]