155620220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1111573}}^1$

素因数の和:1111589

約数の個数: 24

約数和(自身を含む): 373488864

約数和(自身を除く): 217868644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1111573, 2223146, 4446292, 5557865, 7781011, 11115730, 15562022, 22231460, 31124044, 38905055, 77810110, 155620220]

約数ペア:

[(1, 155620220), (2, 77810110), (4, 38905055), (5, 31124044), (7, 22231460), (10, 15562022), (14, 11115730), (20, 7781011), (28, 5557865), (35, 4446292), (70, 2223146), (140, 1111573)]