9086900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1021}}^1$

素因数の和:1124

約数の個数: 36

約数和(自身を含む): 19959660

約数和(自身を除く): 10872760

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1021, 1780, 2042, 2225, 4084, 4450, 5105, 8900, 10210, 20420, 25525, 51050, 90869, 102100, 181738, 363476, 454345, 908690, 1817380, 2271725, 4543450, 9086900]

約数ペア:

[(1, 9086900), (2, 4543450), (4, 2271725), (5, 1817380), (10, 908690), (20, 454345), (25, 363476), (50, 181738), (89, 102100), (100, 90869), (178, 51050), (356, 25525), (445, 20420), (890, 10210), (1021, 8900), (1780, 5105), (2042, 4450), (2225, 4084)]