404269070

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1\times {\mathrm{1289}}^1$

素因数の和:1772

約数の個数: 32

約数和(自身を含む): 739324800

約数和(自身を除く): 335055730

約数列:

[1, 2, 5, 10, 79, 158, 395, 397, 790, 794, 1289, 1985, 2578, 3970, 6445, 12890, 31363, 62726, 101831, 156815, 203662, 313630, 509155, 511733, 1018310, 1023466, 2558665, 5117330, 40426907, 80853814, 202134535, 404269070]

約数ペア:

[(1, 404269070), (2, 202134535), (5, 80853814), (10, 40426907), (79, 5117330), (158, 2558665), (395, 1023466), (397, 1018310), (790, 511733), (794, 509155), (1289, 313630), (1985, 203662), (2578, 156815), (3970, 101831), (6445, 62726), (12890, 31363)]