231640220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1654573}}^1$

素因数の和:1654589

約数の個数: 24

約数和(自身を含む): 555936864

約数和(自身を除く): 324296644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1654573, 3309146, 6618292, 8272865, 11582011, 16545730, 23164022, 33091460, 46328044, 57910055, 115820110, 231640220]

約数ペア:

[(1, 231640220), (2, 115820110), (4, 57910055), (5, 46328044), (7, 33091460), (10, 23164022), (14, 16545730), (20, 11582011), (28, 8272865), (35, 6618292), (70, 3309146), (140, 1654573)]