239391320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 642470400

約数和(自身を除く): 403079080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 59, 70, 86, 118, 140, 172, 215, 236, 280, 295, 301, 337, 344, 413, 430, 472, 590, 602, 674, 826, 860, 1180, 1204, 1348, 1505, 1652, 1685, 1720, 2065, 2359, 2360, 2408, 2537, 2696, 3010, 3304, 3370, 4130, 4718, 5074, 6020, 6740, 8260, 9436, 10148, 11795, 12040, 12685, 13480, 14491, 16520, 17759, 18872, 19883, 20296, 23590, 25370, 28982, 35518, 39766, 47180, 50740, 57964, 71036, 72455, 79532, 88795, 94360, 99415, 101437, 101480, 115928, 139181, 142072, 144910, 159064, 177590, 198830, 202874, 278362, 289820, 355180, 397660, 405748, 507185, 556724, 579640, 695905, 710360, 795320, 811496, 854969, 1014370, 1113448, 1391810, 1709938, 2028740, 2783620, 3419876, 4057480, 4274845, 5567240, 5984783, 6839752, 8549690, 11969566, 17099380, 23939132, 29923915, 34198760, 47878264, 59847830, 119695660, 239391320]

約数ペア:

[(1, 239391320), (2, 119695660), (4, 59847830), (5, 47878264), (7, 34198760), (8, 29923915), (10, 23939132), (14, 17099380), (20, 11969566), (28, 8549690), (35, 6839752), (40, 5984783), (43, 5567240), (56, 4274845), (59, 4057480), (70, 3419876), (86, 2783620), (118, 2028740), (140, 1709938), (172, 1391810), (215, 1113448), (236, 1014370), (280, 854969), (295, 811496), (301, 795320), (337, 710360), (344, 695905), (413, 579640), (430, 556724), (472, 507185), (590, 405748), (602, 397660), (674, 355180), (826, 289820), (860, 278362), (1180, 202874), (1204, 198830), (1348, 177590), (1505, 159064), (1652, 144910), (1685, 142072), (1720, 139181), (2065, 115928), (2359, 101480), (2360, 101437), (2408, 99415), (2537, 94360), (2696, 88795), (3010, 79532), (3304, 72455), (3370, 71036), (4130, 57964), (4718, 50740), (5074, 47180), (6020, 39766), (6740, 35518), (8260, 28982), (9436, 25370), (10148, 23590), (11795, 20296), (12040, 19883), (12685, 18872), (13480, 17759), (14491, 16520)]