201365560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 524620800

約数和(自身を除く): 323255240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 43, 44, 55, 58, 86, 88, 110, 116, 145, 172, 215, 220, 232, 290, 319, 344, 367, 430, 440, 473, 580, 638, 734, 860, 946, 1160, 1247, 1276, 1468, 1595, 1720, 1835, 1892, 2365, 2494, 2552, 2936, 3190, 3670, 3784, 4037, 4730, 4988, 6235, 6380, 7340, 8074, 9460, 9976, 10643, 12470, 12760, 13717, 14680, 15781, 16148, 18920, 20185, 21286, 24940, 27434, 31562, 32296, 40370, 42572, 49880, 53215, 54868, 63124, 68585, 78905, 80740, 85144, 106430, 109736, 117073, 126248, 137170, 157810, 161480, 173591, 212860, 234146, 274340, 315620, 347182, 425720, 457649, 468292, 548680, 585365, 631240, 694364, 867955, 915298, 936584, 1170730, 1388728, 1735910, 1830596, 2288245, 2341460, 3471820, 3661192, 4576490, 4682920, 5034139, 6943640, 9152980, 10068278, 18305960, 20136556, 25170695, 40273112, 50341390, 100682780, 201365560]

約数ペア:

[(1, 201365560), (2, 100682780), (4, 50341390), (5, 40273112), (8, 25170695), (10, 20136556), (11, 18305960), (20, 10068278), (22, 9152980), (29, 6943640), (40, 5034139), (43, 4682920), (44, 4576490), (55, 3661192), (58, 3471820), (86, 2341460), (88, 2288245), (110, 1830596), (116, 1735910), (145, 1388728), (172, 1170730), (215, 936584), (220, 915298), (232, 867955), (290, 694364), (319, 631240), (344, 585365), (367, 548680), (430, 468292), (440, 457649), (473, 425720), (580, 347182), (638, 315620), (734, 274340), (860, 234146), (946, 212860), (1160, 173591), (1247, 161480), (1276, 157810), (1468, 137170), (1595, 126248), (1720, 117073), (1835, 109736), (1892, 106430), (2365, 85144), (2494, 80740), (2552, 78905), (2936, 68585), (3190, 63124), (3670, 54868), (3784, 53215), (4037, 49880), (4730, 42572), (4988, 40370), (6235, 32296), (6380, 31562), (7340, 27434), (8074, 24940), (9460, 21286), (9976, 20185), (10643, 18920), (12470, 16148), (12760, 15781), (13717, 14680)]