4378500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{139}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 15899520

約数和(自身を除く): 11521020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 139, 140, 150, 175, 180, 210, 225, 250, 252, 278, 300, 315, 350, 375, 417, 420, 450, 500, 525, 556, 630, 695, 700, 750, 834, 875, 900, 973, 1050, 1125, 1251, 1260, 1390, 1500, 1575, 1668, 1750, 1946, 2085, 2100, 2250, 2502, 2625, 2780, 2919, 3150, 3475, 3500, 3892, 4170, 4500, 4865, 5004, 5250, 5838, 6255, 6300, 6950, 7875, 8340, 8757, 9730, 10425, 10500, 11676, 12510, 13900, 14595, 15750, 17375, 17514, 19460, 20850, 24325, 25020, 29190, 31275, 31500, 34750, 35028, 41700, 43785, 48650, 52125, 58380, 62550, 69500, 72975, 87570, 97300, 104250, 121625, 125100, 145950, 156375, 175140, 208500, 218925, 243250, 291900, 312750, 364875, 437850, 486500, 625500, 729750, 875700, 1094625, 1459500, 2189250, 4378500]

約数ペア:

[(1, 4378500), (2, 2189250), (3, 1459500), (4, 1094625), (5, 875700), (6, 729750), (7, 625500), (9, 486500), (10, 437850), (12, 364875), (14, 312750), (15, 291900), (18, 243250), (20, 218925), (21, 208500), (25, 175140), (28, 156375), (30, 145950), (35, 125100), (36, 121625), (42, 104250), (45, 97300), (50, 87570), (60, 72975), (63, 69500), (70, 62550), (75, 58380), (84, 52125), (90, 48650), (100, 43785), (105, 41700), (125, 35028), (126, 34750), (139, 31500), (140, 31275), (150, 29190), (175, 25020), (180, 24325), (210, 20850), (225, 19460), (250, 17514), (252, 17375), (278, 15750), (300, 14595), (315, 13900), (350, 12510), (375, 11676), (417, 10500), (420, 10425), (450, 9730), (500, 8757), (525, 8340), (556, 7875), (630, 6950), (695, 6300), (700, 6255), (750, 5838), (834, 5250), (875, 5004), (900, 4865), (973, 4500), (1050, 4170), (1125, 3892), (1251, 3500), (1260, 3475), (1390, 3150), (1500, 2919), (1575, 2780), (1668, 2625), (1750, 2502), (1946, 2250), (2085, 2100)]