669260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 1422960

約数和(自身を除く): 753700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 307, 436, 545, 614, 1090, 1228, 1535, 2180, 3070, 6140, 33463, 66926, 133852, 167315, 334630, 669260]

約数ペア:

[(1, 669260), (2, 334630), (4, 167315), (5, 133852), (10, 66926), (20, 33463), (109, 6140), (218, 3070), (307, 2180), (436, 1535), (545, 1228), (614, 1090)]