30557780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{138899}}^1$

素因数の和:138919

約数の個数: 24

約数和(自身を含む): 70005600

約数和(自身を除く): 39447820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 138899, 277798, 555596, 694495, 1388990, 1527889, 2777980, 3055778, 6111556, 7639445, 15278890, 30557780]

約数ペア:

[(1, 30557780), (2, 15278890), (4, 7639445), (5, 6111556), (10, 3055778), (11, 2777980), (20, 1527889), (22, 1388990), (44, 694495), (55, 555596), (110, 277798), (220, 138899)]