7890900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:953

約数の個数: 72

約数和(自身を含む): 23644320

約数和(自身を除く): 15753420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 100, 116, 145, 150, 174, 290, 300, 348, 435, 580, 725, 870, 907, 1450, 1740, 1814, 2175, 2721, 2900, 3628, 4350, 4535, 5442, 8700, 9070, 10884, 13605, 18140, 22675, 26303, 27210, 45350, 52606, 54420, 68025, 78909, 90700, 105212, 131515, 136050, 157818, 263030, 272100, 315636, 394545, 526060, 657575, 789090, 1315150, 1578180, 1972725, 2630300, 3945450, 7890900]

約数ペア:

[(1, 7890900), (2, 3945450), (3, 2630300), (4, 1972725), (5, 1578180), (6, 1315150), (10, 789090), (12, 657575), (15, 526060), (20, 394545), (25, 315636), (29, 272100), (30, 263030), (50, 157818), (58, 136050), (60, 131515), (75, 105212), (87, 90700), (100, 78909), (116, 68025), (145, 54420), (150, 52606), (174, 45350), (290, 27210), (300, 26303), (348, 22675), (435, 18140), (580, 13605), (725, 10884), (870, 9070), (907, 8700), (1450, 5442), (1740, 4535), (1814, 4350), (2175, 3628), (2721, 2900)]