170409820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1217213}}^1$

素因数の和:1217229

約数の個数: 24

約数和(自身を含む): 408983904

約数和(自身を除く): 238574084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1217213, 2434426, 4868852, 6086065, 8520491, 12172130, 17040982, 24344260, 34081964, 42602455, 85204910, 170409820]

約数ペア:

[(1, 170409820), (2, 85204910), (4, 42602455), (5, 34081964), (7, 24344260), (10, 17040982), (14, 12172130), (20, 8520491), (28, 6086065), (35, 4868852), (70, 2434426), (140, 1217213)]