402000560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:431

約数の個数: 160

約数和(自身を含む): 1070264832

約数和(自身を除く): 668264272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 37, 40, 52, 62, 65, 74, 80, 104, 124, 130, 148, 155, 185, 208, 248, 260, 296, 310, 337, 370, 403, 481, 496, 520, 592, 620, 674, 740, 806, 962, 1040, 1147, 1240, 1348, 1480, 1612, 1685, 1924, 2015, 2294, 2405, 2480, 2696, 2960, 3224, 3370, 3848, 4030, 4381, 4588, 4810, 5392, 5735, 6448, 6740, 7696, 8060, 8762, 9176, 9620, 10447, 11470, 12469, 13480, 14911, 16120, 17524, 18352, 19240, 20894, 21905, 22940, 24938, 26960, 29822, 32240, 35048, 38480, 41788, 43810, 45880, 49876, 52235, 59644, 62345, 70096, 74555, 83576, 87620, 91760, 99752, 104470, 119288, 124690, 135811, 149110, 162097, 167152, 175240, 199504, 208940, 238576, 249380, 271622, 298220, 324194, 350480, 386539, 417880, 498760, 543244, 596440, 648388, 679055, 773078, 810485, 835760, 997520, 1086488, 1192880, 1296776, 1358110, 1546156, 1620970, 1932695, 2172976, 2593552, 2716220, 3092312, 3241940, 3865390, 5025007, 5432440, 6184624, 6483880, 7730780, 10050014, 10864880, 12967760, 15461560, 20100028, 25125035, 30923120, 40200056, 50250070, 80400112, 100500140, 201000280, 402000560]

約数ペア:

[(1, 402000560), (2, 201000280), (4, 100500140), (5, 80400112), (8, 50250070), (10, 40200056), (13, 30923120), (16, 25125035), (20, 20100028), (26, 15461560), (31, 12967760), (37, 10864880), (40, 10050014), (52, 7730780), (62, 6483880), (65, 6184624), (74, 5432440), (80, 5025007), (104, 3865390), (124, 3241940), (130, 3092312), (148, 2716220), (155, 2593552), (185, 2172976), (208, 1932695), (248, 1620970), (260, 1546156), (296, 1358110), (310, 1296776), (337, 1192880), (370, 1086488), (403, 997520), (481, 835760), (496, 810485), (520, 773078), (592, 679055), (620, 648388), (674, 596440), (740, 543244), (806, 498760), (962, 417880), (1040, 386539), (1147, 350480), (1240, 324194), (1348, 298220), (1480, 271622), (1612, 249380), (1685, 238576), (1924, 208940), (2015, 199504), (2294, 175240), (2405, 167152), (2480, 162097), (2696, 149110), (2960, 135811), (3224, 124690), (3370, 119288), (3848, 104470), (4030, 99752), (4381, 91760), (4588, 87620), (4810, 83576), (5392, 74555), (5735, 70096), (6448, 62345), (6740, 59644), (7696, 52235), (8060, 49876), (8762, 45880), (9176, 43810), (9620, 41788), (10447, 38480), (11470, 35048), (12469, 32240), (13480, 29822), (14911, 26960), (16120, 24938), (17524, 22940), (18352, 21905), (19240, 20894)]