397826060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{685907}}^1$

素因数の和:685945

約数の個数: 24

約数和(自身を含む): 864244080

約数和(自身を除く): 466418020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 685907, 1371814, 2743628, 3429535, 6859070, 13718140, 19891303, 39782606, 79565212, 99456515, 198913030, 397826060]

約数ペア:

[(1, 397826060), (2, 198913030), (4, 99456515), (5, 79565212), (10, 39782606), (20, 19891303), (29, 13718140), (58, 6859070), (116, 3429535), (145, 2743628), (290, 1371814), (580, 685907)]