30791180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{219937}}^1$

素因数の和:219953

約数の個数: 24

約数和(自身を含む): 73899168

約数和(自身を除く): 43107988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 219937, 439874, 879748, 1099685, 1539559, 2199370, 3079118, 4398740, 6158236, 7697795, 15395590, 30791180]

約数ペア:

[(1, 30791180), (2, 15395590), (4, 7697795), (5, 6158236), (7, 4398740), (10, 3079118), (14, 2199370), (20, 1539559), (28, 1099685), (35, 879748), (70, 439874), (140, 219937)]