789898220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{745187}}^1$

素因数の和:745249

約数の個数: 24

約数和(自身を含む): 1690086384

約数和(自身を除く): 900188164

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 745187, 1490374, 2980748, 3725935, 7451870, 14903740, 39494911, 78989822, 157979644, 197474555, 394949110, 789898220]

約数ペア:

[(1, 789898220), (2, 394949110), (4, 197474555), (5, 157979644), (10, 78989822), (20, 39494911), (53, 14903740), (106, 7451870), (212, 3725935), (265, 2980748), (530, 1490374), (1060, 745187)]