378002020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1718191}}^1$

素因数の和:1718211

約数の個数: 24

約数和(自身を含む): 865968768

約数和(自身を除く): 487966748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1718191, 3436382, 6872764, 8590955, 17181910, 18900101, 34363820, 37800202, 75600404, 94500505, 189001010, 378002020]

約数ペア:

[(1, 378002020), (2, 189001010), (4, 94500505), (5, 75600404), (10, 37800202), (11, 34363820), (20, 18900101), (22, 17181910), (44, 8590955), (55, 6872764), (110, 3436382), (220, 1718191)]