2127100

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:342

約数の個数: 36

約数和(自身を含む): 4687200

約数和(自身を除く): 2560100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 239, 356, 445, 478, 890, 956, 1195, 1780, 2225, 2390, 4450, 4780, 5975, 8900, 11950, 21271, 23900, 42542, 85084, 106355, 212710, 425420, 531775, 1063550, 2127100]

約数ペア:

[(1, 2127100), (2, 1063550), (4, 531775), (5, 425420), (10, 212710), (20, 106355), (25, 85084), (50, 42542), (89, 23900), (100, 21271), (178, 11950), (239, 8900), (356, 5975), (445, 4780), (478, 4450), (890, 2390), (956, 2225), (1195, 1780)]