200914120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{456623}}^1$

素因数の和:456645

約数の個数: 32

約数和(自身を含む): 493153920

約数和(自身を除く): 292239800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 456623, 913246, 1826492, 2283115, 3652984, 4566230, 5022853, 9132460, 10045706, 18264920, 20091412, 25114265, 40182824, 50228530, 100457060, 200914120]

約数ペア:

[(1, 200914120), (2, 100457060), (4, 50228530), (5, 40182824), (8, 25114265), (10, 20091412), (11, 18264920), (20, 10045706), (22, 9132460), (40, 5022853), (44, 4566230), (55, 3652984), (88, 2283115), (110, 1826492), (220, 913246), (440, 456623)]