66999800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{47857}}^1$

素因数の和:47880

約数の個数: 48

約数和(自身を含む): 178031760

約数和(自身を除く): 111031960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 47857, 95714, 191428, 239285, 334999, 382856, 478570, 669998, 957140, 1196425, 1339996, 1674995, 1914280, 2392850, 2679992, 3349990, 4785700, 6699980, 8374975, 9571400, 13399960, 16749950, 33499900, 66999800]

約数ペア:

[(1, 66999800), (2, 33499900), (4, 16749950), (5, 13399960), (7, 9571400), (8, 8374975), (10, 6699980), (14, 4785700), (20, 3349990), (25, 2679992), (28, 2392850), (35, 1914280), (40, 1674995), (50, 1339996), (56, 1196425), (70, 957140), (100, 669998), (140, 478570), (175, 382856), (200, 334999), (280, 239285), (350, 191428), (700, 95714), (1400, 47857)]