30409180

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1669}}^1$

素因数の和:2589

約数の個数: 24

約数和(自身を含む): 63967680

約数和(自身を除く): 33558500

約数列:

[1, 2, 4, 5, 10, 20, 911, 1669, 1822, 3338, 3644, 4555, 6676, 8345, 9110, 16690, 18220, 33380, 1520459, 3040918, 6081836, 7602295, 15204590, 30409180]

約数ペア:

[(1, 30409180), (2, 15204590), (4, 7602295), (5, 6081836), (10, 3040918), (20, 1520459), (911, 33380), (1669, 18220), (1822, 16690), (3338, 9110), (3644, 8345), (4555, 6676)]