209519520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:643

約数の個数: 192

約数和(自身を含む): 761757696

約数和(自身を除く): 552238176

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 127, 140, 160, 168, 210, 224, 240, 254, 280, 336, 381, 420, 480, 491, 508, 560, 635, 672, 762, 840, 889, 982, 1016, 1120, 1270, 1473, 1524, 1680, 1778, 1905, 1964, 2032, 2455, 2540, 2667, 2946, 3048, 3360, 3437, 3556, 3810, 3928, 4064, 4445, 4910, 5080, 5334, 5892, 6096, 6874, 7112, 7365, 7620, 7856, 8890, 9820, 10160, 10311, 10668, 11784, 12192, 13335, 13748, 14224, 14730, 15240, 15712, 17185, 17780, 19640, 20320, 20622, 21336, 23568, 26670, 27496, 28448, 29460, 30480, 34370, 35560, 39280, 41244, 42672, 47136, 51555, 53340, 54992, 58920, 60960, 62357, 68740, 71120, 78560, 82488, 85344, 103110, 106680, 109984, 117840, 124714, 137480, 142240, 164976, 187071, 206220, 213360, 235680, 249428, 274960, 311785, 329952, 374142, 412440, 426720, 436499, 498856, 549920, 623570, 748284, 824880, 872998, 935355, 997712, 1247140, 1309497, 1496568, 1649760, 1745996, 1870710, 1995424, 2182495, 2494280, 2618994, 2993136, 3491992, 3741420, 4364990, 4988560, 5237988, 5986272, 6547485, 6983984, 7482840, 8729980, 9977120, 10475976, 13094970, 13967968, 14965680, 17459960, 20951952, 26189940, 29931360, 34919920, 41903904, 52379880, 69839840, 104759760, 209519520]

約数ペア:

[(1, 209519520), (2, 104759760), (3, 69839840), (4, 52379880), (5, 41903904), (6, 34919920), (7, 29931360), (8, 26189940), (10, 20951952), (12, 17459960), (14, 14965680), (15, 13967968), (16, 13094970), (20, 10475976), (21, 9977120), (24, 8729980), (28, 7482840), (30, 6983984), (32, 6547485), (35, 5986272), (40, 5237988), (42, 4988560), (48, 4364990), (56, 3741420), (60, 3491992), (70, 2993136), (80, 2618994), (84, 2494280), (96, 2182495), (105, 1995424), (112, 1870710), (120, 1745996), (127, 1649760), (140, 1496568), (160, 1309497), (168, 1247140), (210, 997712), (224, 935355), (240, 872998), (254, 824880), (280, 748284), (336, 623570), (381, 549920), (420, 498856), (480, 436499), (491, 426720), (508, 412440), (560, 374142), (635, 329952), (672, 311785), (762, 274960), (840, 249428), (889, 235680), (982, 213360), (1016, 206220), (1120, 187071), (1270, 164976), (1473, 142240), (1524, 137480), (1680, 124714), (1778, 117840), (1905, 109984), (1964, 106680), (2032, 103110), (2455, 85344), (2540, 82488), (2667, 78560), (2946, 71120), (3048, 68740), (3360, 62357), (3437, 60960), (3556, 58920), (3810, 54992), (3928, 53340), (4064, 51555), (4445, 47136), (4910, 42672), (5080, 41244), (5334, 39280), (5892, 35560), (6096, 34370), (6874, 30480), (7112, 29460), (7365, 28448), (7620, 27496), (7856, 26670), (8890, 23568), (9820, 21336), (10160, 20622), (10311, 20320), (10668, 19640), (11784, 17780), (12192, 17185), (13335, 15712), (13748, 15240), (14224, 14730)]