90199900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{128857}}^1$

素因数の和:128878

約数の個数: 36

約数和(自身を含む): 223697488

約数和(自身を除く): 133497588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 128857, 257714, 515428, 644285, 901999, 1288570, 1803998, 2577140, 3221425, 3607996, 4509995, 6442850, 9019990, 12885700, 18039980, 22549975, 45099950, 90199900]

約数ペア:

[(1, 90199900), (2, 45099950), (4, 22549975), (5, 18039980), (7, 12885700), (10, 9019990), (14, 6442850), (20, 4509995), (25, 3607996), (28, 3221425), (35, 2577140), (50, 1803998), (70, 1288570), (100, 901999), (140, 644285), (175, 515428), (350, 257714), (700, 128857)]