423702920

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{23911}}^1$

素因数の和:24365

約数の個数: 32

約数和(自身を含む): 955523520

約数和(自身を除く): 531820600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 8860, 17720, 23911, 47822, 95644, 119555, 191288, 239110, 478220, 956440, 10592573, 21185146, 42370292, 52962865, 84740584, 105925730, 211851460, 423702920]

約数ペア:

[(1, 423702920), (2, 211851460), (4, 105925730), (5, 84740584), (8, 52962865), (10, 42370292), (20, 21185146), (40, 10592573), (443, 956440), (886, 478220), (1772, 239110), (2215, 191288), (3544, 119555), (4430, 95644), (8860, 47822), (17720, 23911)]