7388020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3389}}^1$

素因数の和:3507

約数の個数: 24

約数和(自身を含む): 15661800

約数和(自身を除く): 8273780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 3389, 6778, 13556, 16945, 33890, 67780, 369401, 738802, 1477604, 1847005, 3694010, 7388020]

約数ペア:

[(1, 7388020), (2, 3694010), (4, 1847005), (5, 1477604), (10, 738802), (20, 369401), (109, 67780), (218, 33890), (436, 16945), (545, 13556), (1090, 6778), (2180, 3389)]