28961300

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2657}}^1$

素因数の和:2780

約数の個数: 36

約数和(自身を含む): 63446460

約数和(自身を除く): 34485160

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2657, 2725, 5314, 5450, 10628, 10900, 13285, 26570, 53140, 66425, 132850, 265700, 289613, 579226, 1158452, 1448065, 2896130, 5792260, 7240325, 14480650, 28961300]

約数ペア:

[(1, 28961300), (2, 14480650), (4, 7240325), (5, 5792260), (10, 2896130), (20, 1448065), (25, 1158452), (50, 579226), (100, 289613), (109, 265700), (218, 132850), (436, 66425), (545, 53140), (1090, 26570), (2180, 13285), (2657, 10900), (2725, 10628), (5314, 5450)]