389854920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1879}}^1$

素因数の和:1932

約数の個数: 256

約数和(自身を含む): 1516032000

約数和(自身を除く): 1126177080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 665, 728, 741, 760, 780, 798, 840, 910, 988, 1064, 1092, 1140, 1235, 1330, 1365, 1482, 1560, 1596, 1729, 1820, 1879, 1976, 1995, 2184, 2280, 2470, 2660, 2730, 2964, 3192, 3458, 3640, 3705, 3758, 3990, 4940, 5187, 5320, 5460, 5637, 5928, 6916, 7410, 7516, 7980, 8645, 9395, 9880, 10374, 10920, 11274, 13153, 13832, 14820, 15032, 15960, 17290, 18790, 20748, 22548, 24427, 25935, 26306, 28185, 29640, 34580, 35701, 37580, 39459, 41496, 45096, 48854, 51870, 52612, 56370, 65765, 69160, 71402, 73281, 75160, 78918, 97708, 103740, 105224, 107103, 112740, 122135, 131530, 142804, 146562, 157836, 170989, 178505, 195416, 197295, 207480, 214206, 225480, 244270, 249907, 263060, 285608, 293124, 315672, 341978, 357010, 366405, 394590, 428412, 464113, 488540, 499814, 512967, 526120, 535515, 586248, 683956, 714020, 732810, 749721, 789180, 854945, 856824, 928226, 977080, 999628, 1025934, 1071030, 1249535, 1367912, 1392339, 1428040, 1465620, 1499442, 1578360, 1709890, 1856452, 1999256, 2051868, 2142060, 2320565, 2499070, 2564835, 2784678, 2931240, 2998884, 3248791, 3419780, 3712904, 3748605, 4103736, 4284120, 4641130, 4998140, 5129670, 5569356, 5997768, 6497582, 6839560, 6961695, 7497210, 9282260, 9746373, 9996280, 10259340, 11138712, 12995164, 13923390, 14994420, 16243955, 18564520, 19492746, 20518680, 25990328, 27846780, 29988840, 32487910, 38985492, 48731865, 55693560, 64975820, 77970984, 97463730, 129951640, 194927460, 389854920]

約数ペア:

[(1, 389854920), (2, 194927460), (3, 129951640), (4, 97463730), (5, 77970984), (6, 64975820), (7, 55693560), (8, 48731865), (10, 38985492), (12, 32487910), (13, 29988840), (14, 27846780), (15, 25990328), (19, 20518680), (20, 19492746), (21, 18564520), (24, 16243955), (26, 14994420), (28, 13923390), (30, 12995164), (35, 11138712), (38, 10259340), (39, 9996280), (40, 9746373), (42, 9282260), (52, 7497210), (56, 6961695), (57, 6839560), (60, 6497582), (65, 5997768), (70, 5569356), (76, 5129670), (78, 4998140), (84, 4641130), (91, 4284120), (95, 4103736), (104, 3748605), (105, 3712904), (114, 3419780), (120, 3248791), (130, 2998884), (133, 2931240), (140, 2784678), (152, 2564835), (156, 2499070), (168, 2320565), (182, 2142060), (190, 2051868), (195, 1999256), (210, 1856452), (228, 1709890), (247, 1578360), (260, 1499442), (266, 1465620), (273, 1428040), (280, 1392339), (285, 1367912), (312, 1249535), (364, 1071030), (380, 1025934), (390, 999628), (399, 977080), (420, 928226), (455, 856824), (456, 854945), (494, 789180), (520, 749721), (532, 732810), (546, 714020), (570, 683956), (665, 586248), (728, 535515), (741, 526120), (760, 512967), (780, 499814), (798, 488540), (840, 464113), (910, 428412), (988, 394590), (1064, 366405), (1092, 357010), (1140, 341978), (1235, 315672), (1330, 293124), (1365, 285608), (1482, 263060), (1560, 249907), (1596, 244270), (1729, 225480), (1820, 214206), (1879, 207480), (1976, 197295), (1995, 195416), (2184, 178505), (2280, 170989), (2470, 157836), (2660, 146562), (2730, 142804), (2964, 131530), (3192, 122135), (3458, 112740), (3640, 107103), (3705, 105224), (3758, 103740), (3990, 97708), (4940, 78918), (5187, 75160), (5320, 73281), (5460, 71402), (5637, 69160), (5928, 65765), (6916, 56370), (7410, 52612), (7516, 51870), (7980, 48854), (8645, 45096), (9395, 41496), (9880, 39459), (10374, 37580), (10920, 35701), (11274, 34580), (13153, 29640), (13832, 28185), (14820, 26306), (15032, 25935), (15960, 24427), (17290, 22548), (18790, 20748)]