311924900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:586

約数の個数: 144

約数和(自身を含む): 833280000

約数和(自身を除く): 521355100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 47, 50, 70, 76, 94, 95, 100, 133, 140, 175, 188, 190, 235, 266, 329, 350, 380, 470, 475, 499, 532, 658, 665, 700, 893, 940, 950, 998, 1175, 1316, 1330, 1645, 1786, 1900, 1996, 2350, 2495, 2660, 3290, 3325, 3493, 3572, 4465, 4700, 4990, 6251, 6580, 6650, 6986, 8225, 8930, 9481, 9980, 12475, 12502, 13300, 13972, 16450, 17465, 17860, 18962, 22325, 23453, 24950, 25004, 31255, 32900, 34930, 37924, 44650, 46906, 47405, 49900, 62510, 66367, 69860, 87325, 89300, 93812, 94810, 117265, 125020, 132734, 156275, 164171, 174650, 189620, 234530, 237025, 265468, 312550, 328342, 331835, 349300, 445607, 469060, 474050, 586325, 625100, 656684, 663670, 820855, 891214, 948100, 1172650, 1327340, 1641710, 1659175, 1782428, 2228035, 2345300, 3119249, 3283420, 3318350, 4104275, 4456070, 6238498, 6636700, 8208550, 8912140, 11140175, 12476996, 15596245, 16417100, 22280350, 31192490, 44560700, 62384980, 77981225, 155962450, 311924900]

約数ペア:

[(1, 311924900), (2, 155962450), (4, 77981225), (5, 62384980), (7, 44560700), (10, 31192490), (14, 22280350), (19, 16417100), (20, 15596245), (25, 12476996), (28, 11140175), (35, 8912140), (38, 8208550), (47, 6636700), (50, 6238498), (70, 4456070), (76, 4104275), (94, 3318350), (95, 3283420), (100, 3119249), (133, 2345300), (140, 2228035), (175, 1782428), (188, 1659175), (190, 1641710), (235, 1327340), (266, 1172650), (329, 948100), (350, 891214), (380, 820855), (470, 663670), (475, 656684), (499, 625100), (532, 586325), (658, 474050), (665, 469060), (700, 445607), (893, 349300), (940, 331835), (950, 328342), (998, 312550), (1175, 265468), (1316, 237025), (1330, 234530), (1645, 189620), (1786, 174650), (1900, 164171), (1996, 156275), (2350, 132734), (2495, 125020), (2660, 117265), (3290, 94810), (3325, 93812), (3493, 89300), (3572, 87325), (4465, 69860), (4700, 66367), (4990, 62510), (6251, 49900), (6580, 47405), (6650, 46906), (6986, 44650), (8225, 37924), (8930, 34930), (9481, 32900), (9980, 31255), (12475, 25004), (12502, 24950), (13300, 23453), (13972, 22325), (16450, 18962), (17465, 17860)]