201000280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 517870080

約数和(自身を除く): 316869800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 37, 40, 52, 62, 65, 74, 104, 124, 130, 148, 155, 185, 248, 260, 296, 310, 337, 370, 403, 481, 520, 620, 674, 740, 806, 962, 1147, 1240, 1348, 1480, 1612, 1685, 1924, 2015, 2294, 2405, 2696, 3224, 3370, 3848, 4030, 4381, 4588, 4810, 5735, 6740, 8060, 8762, 9176, 9620, 10447, 11470, 12469, 13480, 14911, 16120, 17524, 19240, 20894, 21905, 22940, 24938, 29822, 35048, 41788, 43810, 45880, 49876, 52235, 59644, 62345, 74555, 83576, 87620, 99752, 104470, 119288, 124690, 135811, 149110, 162097, 175240, 208940, 249380, 271622, 298220, 324194, 386539, 417880, 498760, 543244, 596440, 648388, 679055, 773078, 810485, 1086488, 1296776, 1358110, 1546156, 1620970, 1932695, 2716220, 3092312, 3241940, 3865390, 5025007, 5432440, 6483880, 7730780, 10050014, 15461560, 20100028, 25125035, 40200056, 50250070, 100500140, 201000280]

約数ペア:

[(1, 201000280), (2, 100500140), (4, 50250070), (5, 40200056), (8, 25125035), (10, 20100028), (13, 15461560), (20, 10050014), (26, 7730780), (31, 6483880), (37, 5432440), (40, 5025007), (52, 3865390), (62, 3241940), (65, 3092312), (74, 2716220), (104, 1932695), (124, 1620970), (130, 1546156), (148, 1358110), (155, 1296776), (185, 1086488), (248, 810485), (260, 773078), (296, 679055), (310, 648388), (337, 596440), (370, 543244), (403, 498760), (481, 417880), (520, 386539), (620, 324194), (674, 298220), (740, 271622), (806, 249380), (962, 208940), (1147, 175240), (1240, 162097), (1348, 149110), (1480, 135811), (1612, 124690), (1685, 119288), (1924, 104470), (2015, 99752), (2294, 87620), (2405, 83576), (2696, 74555), (3224, 62345), (3370, 59644), (3848, 52235), (4030, 49876), (4381, 45880), (4588, 43810), (4810, 41788), (5735, 35048), (6740, 29822), (8060, 24938), (8762, 22940), (9176, 21905), (9620, 20894), (10447, 19240), (11470, 17524), (12469, 16120), (13480, 14911)]