29942800

素因数分解:

$2^4\times 5^2\times {\mathrm{74857}}^1$

素因数の和:74875

約数の個数: 30

約数和(自身を含む): 71938538

約数和(自身を除く): 41995738

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 74857, 149714, 299428, 374285, 598856, 748570, 1197712, 1497140, 1871425, 2994280, 3742850, 5988560, 7485700, 14971400, 29942800]

約数ペア:

[(1, 29942800), (2, 14971400), (4, 7485700), (5, 5988560), (8, 3742850), (10, 2994280), (16, 1871425), (20, 1497140), (25, 1197712), (40, 748570), (50, 598856), (80, 374285), (100, 299428), (200, 149714), (400, 74857)]