4227500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:132

約数の個数: 60

約数和(自身を含む): 9840600

約数和(自身を除く): 5613100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 89, 95, 100, 125, 178, 190, 250, 356, 380, 445, 475, 500, 625, 890, 950, 1250, 1691, 1780, 1900, 2225, 2375, 2500, 3382, 4450, 4750, 6764, 8455, 8900, 9500, 11125, 11875, 16910, 22250, 23750, 33820, 42275, 44500, 47500, 55625, 84550, 111250, 169100, 211375, 222500, 422750, 845500, 1056875, 2113750, 4227500]

約数ペア:

[(1, 4227500), (2, 2113750), (4, 1056875), (5, 845500), (10, 422750), (19, 222500), (20, 211375), (25, 169100), (38, 111250), (50, 84550), (76, 55625), (89, 47500), (95, 44500), (100, 42275), (125, 33820), (178, 23750), (190, 22250), (250, 16910), (356, 11875), (380, 11125), (445, 9500), (475, 8900), (500, 8455), (625, 6764), (890, 4750), (950, 4450), (1250, 3382), (1691, 2500), (1780, 2375), (1900, 2225)]