135781300

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{12457}}^1$

素因数の和:12580

約数の個数: 36

約数和(自身を含む): 297372460

約数和(自身を除く): 161591160

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 10900, 12457, 24914, 49828, 62285, 124570, 249140, 311425, 622850, 1245700, 1357813, 2715626, 5431252, 6789065, 13578130, 27156260, 33945325, 67890650, 135781300]

約数ペア:

[(1, 135781300), (2, 67890650), (4, 33945325), (5, 27156260), (10, 13578130), (20, 6789065), (25, 5431252), (50, 2715626), (100, 1357813), (109, 1245700), (218, 622850), (436, 311425), (545, 249140), (1090, 124570), (2180, 62285), (2725, 49828), (5450, 24914), (10900, 12457)]