4000500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{127}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 14536704

約数和(自身を除く): 10536204

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, 127, 140, 150, 175, 180, 210, 225, 250, 252, 254, 300, 315, 350, 375, 381, 420, 450, 500, 508, 525, 630, 635, 700, 750, 762, 875, 889, 900, 1050, 1125, 1143, 1260, 1270, 1500, 1524, 1575, 1750, 1778, 1905, 2100, 2250, 2286, 2540, 2625, 2667, 3150, 3175, 3500, 3556, 3810, 4445, 4500, 4572, 5250, 5334, 5715, 6300, 6350, 7620, 7875, 8001, 8890, 9525, 10500, 10668, 11430, 12700, 13335, 15750, 15875, 16002, 17780, 19050, 22225, 22860, 26670, 28575, 31500, 31750, 32004, 38100, 40005, 44450, 47625, 53340, 57150, 63500, 66675, 80010, 88900, 95250, 111125, 114300, 133350, 142875, 160020, 190500, 200025, 222250, 266700, 285750, 333375, 400050, 444500, 571500, 666750, 800100, 1000125, 1333500, 2000250, 4000500]

約数ペア:

[(1, 4000500), (2, 2000250), (3, 1333500), (4, 1000125), (5, 800100), (6, 666750), (7, 571500), (9, 444500), (10, 400050), (12, 333375), (14, 285750), (15, 266700), (18, 222250), (20, 200025), (21, 190500), (25, 160020), (28, 142875), (30, 133350), (35, 114300), (36, 111125), (42, 95250), (45, 88900), (50, 80010), (60, 66675), (63, 63500), (70, 57150), (75, 53340), (84, 47625), (90, 44450), (100, 40005), (105, 38100), (125, 32004), (126, 31750), (127, 31500), (140, 28575), (150, 26670), (175, 22860), (180, 22225), (210, 19050), (225, 17780), (250, 16002), (252, 15875), (254, 15750), (300, 13335), (315, 12700), (350, 11430), (375, 10668), (381, 10500), (420, 9525), (450, 8890), (500, 8001), (508, 7875), (525, 7620), (630, 6350), (635, 6300), (700, 5715), (750, 5334), (762, 5250), (875, 4572), (889, 4500), (900, 4445), (1050, 3810), (1125, 3556), (1143, 3500), (1260, 3175), (1270, 3150), (1500, 2667), (1524, 2625), (1575, 2540), (1750, 2286), (1778, 2250), (1905, 2100)]