30731180

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9787}}^1$

素因数の和:9953

約数の個数: 24

約数和(自身を含む): 64953168

約数和(自身を除く): 34221988

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 9787, 19574, 39148, 48935, 97870, 195740, 1536559, 3073118, 6146236, 7682795, 15365590, 30731180]

約数ペア:

[(1, 30731180), (2, 15365590), (4, 7682795), (5, 6146236), (10, 3073118), (20, 1536559), (157, 195740), (314, 97870), (628, 48935), (785, 39148), (1570, 19574), (3140, 9787)]