1890000

素因数分解:

$2^4\times 3^3\times 5^4\times 7^1$

素因数の和:44

約数の個数: 200

約数和(自身を含む): 7747520

約数和(自身を除く): 5857520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 48, 50, 54, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 108, 112, 120, 125, 126, 135, 140, 144, 150, 168, 175, 180, 189, 200, 210, 216, 225, 240, 250, 252, 270, 280, 300, 315, 336, 350, 360, 375, 378, 400, 420, 432, 450, 500, 504, 525, 540, 560, 600, 625, 630, 675, 700, 720, 750, 756, 840, 875, 900, 945, 1000, 1008, 1050, 1080, 1125, 1200, 1250, 1260, 1350, 1400, 1500, 1512, 1575, 1680, 1750, 1800, 1875, 1890, 2000, 2100, 2160, 2250, 2500, 2520, 2625, 2700, 2800, 3000, 3024, 3150, 3375, 3500, 3600, 3750, 3780, 4200, 4375, 4500, 4725, 5000, 5040, 5250, 5400, 5625, 6000, 6300, 6750, 7000, 7500, 7560, 7875, 8400, 8750, 9000, 9450, 10000, 10500, 10800, 11250, 12600, 13125, 13500, 14000, 15000, 15120, 15750, 16875, 17500, 18000, 18900, 21000, 22500, 23625, 25200, 26250, 27000, 30000, 31500, 33750, 35000, 37800, 39375, 42000, 45000, 47250, 52500, 54000, 63000, 67500, 70000, 75600, 78750, 90000, 94500, 105000, 118125, 126000, 135000, 157500, 189000, 210000, 236250, 270000, 315000, 378000, 472500, 630000, 945000, 1890000]

約数ペア:

[(1, 1890000), (2, 945000), (3, 630000), (4, 472500), (5, 378000), (6, 315000), (7, 270000), (8, 236250), (9, 210000), (10, 189000), (12, 157500), (14, 135000), (15, 126000), (16, 118125), (18, 105000), (20, 94500), (21, 90000), (24, 78750), (25, 75600), (27, 70000), (28, 67500), (30, 63000), (35, 54000), (36, 52500), (40, 47250), (42, 45000), (45, 42000), (48, 39375), (50, 37800), (54, 35000), (56, 33750), (60, 31500), (63, 30000), (70, 27000), (72, 26250), (75, 25200), (80, 23625), (84, 22500), (90, 21000), (100, 18900), (105, 18000), (108, 17500), (112, 16875), (120, 15750), (125, 15120), (126, 15000), (135, 14000), (140, 13500), (144, 13125), (150, 12600), (168, 11250), (175, 10800), (180, 10500), (189, 10000), (200, 9450), (210, 9000), (216, 8750), (225, 8400), (240, 7875), (250, 7560), (252, 7500), (270, 7000), (280, 6750), (300, 6300), (315, 6000), (336, 5625), (350, 5400), (360, 5250), (375, 5040), (378, 5000), (400, 4725), (420, 4500), (432, 4375), (450, 4200), (500, 3780), (504, 3750), (525, 3600), (540, 3500), (560, 3375), (600, 3150), (625, 3024), (630, 3000), (675, 2800), (700, 2700), (720, 2625), (750, 2520), (756, 2500), (840, 2250), (875, 2160), (900, 2100), (945, 2000), (1000, 1890), (1008, 1875), (1050, 1800), (1080, 1750), (1125, 1680), (1200, 1575), (1250, 1512), (1260, 1500), (1350, 1400)]