28183708280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1151}}^1$

素因数の和:1251

約数の個数: 288

約数和(自身を含む): 82157483520

約数和(自身を除く): 53973775240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 91, 98, 104, 124, 130, 140, 155, 182, 196, 217, 245, 248, 260, 280, 310, 364, 392, 403, 434, 455, 490, 520, 620, 637, 728, 806, 868, 910, 961, 980, 1085, 1151, 1240, 1274, 1519, 1612, 1736, 1820, 1922, 1960, 2015, 2170, 2302, 2548, 2821, 3038, 3185, 3224, 3640, 3844, 4030, 4340, 4604, 4805, 5096, 5642, 5755, 6076, 6370, 6727, 7595, 7688, 8057, 8060, 8680, 9208, 9610, 11284, 11510, 12152, 12493, 12740, 13454, 14105, 14963, 15190, 16114, 16120, 19220, 19747, 22568, 23020, 24986, 25480, 26908, 28210, 29926, 30380, 32228, 33635, 35681, 38440, 39494, 40285, 46040, 47089, 49972, 53816, 56399, 56420, 59852, 60760, 62465, 64456, 67270, 71362, 74815, 78988, 80570, 87451, 94178, 98735, 99944, 104741, 112798, 112840, 119704, 124930, 134540, 142724, 149630, 157976, 161140, 174902, 178405, 188356, 197470, 209482, 225596, 235445, 249767, 249860, 269080, 281995, 285448, 299260, 322280, 349804, 356810, 376712, 394940, 418964, 437255, 451192, 463853, 470890, 499534, 499720, 523705, 563990, 598520, 612157, 699608, 713620, 733187, 789880, 837928, 874510, 927706, 941780, 999068, 1047410, 1106111, 1127980, 1224314, 1248835, 1427240, 1466374, 1748369, 1749020, 1855412, 1883560, 1998136, 2094820, 2212222, 2255960, 2319265, 2448628, 2497670, 2932748, 3060785, 3246971, 3496738, 3498040, 3665935, 3710824, 4189640, 4424444, 4638530, 4897256, 4995340, 5530555, 5865496, 6121570, 6493942, 6993476, 7331870, 7742777, 8741845, 8848888, 9277060, 9990680, 11061110, 12243140, 12987884, 13986952, 14379443, 14663740, 15485554, 16234855, 17483690, 18554120, 22122220, 22728797, 24486280, 25975768, 28758886, 29327480, 30971108, 32469710, 34967380, 38713885, 44244440, 45457594, 54199439, 57517772, 61942216, 64939420, 69934760, 71897215, 77427770, 90915188, 100656101, 108398878, 113643985, 115035544, 129878840, 143794430, 154855540, 181830376, 201312202, 216797756, 227287970, 270997195, 287588860, 309711080, 402624404, 433595512, 454575940, 503280505, 541994390, 575177720, 704592707, 805248808, 909151880, 1006561010, 1083988780, 1409185414, 2013122020, 2167977560, 2818370828, 3522963535, 4026244040, 5636741656, 7045927070, 14091854140, 28183708280]

約数ペア:

[(1, 28183708280), (2, 14091854140), (4, 7045927070), (5, 5636741656), (7, 4026244040), (8, 3522963535), (10, 2818370828), (13, 2167977560), (14, 2013122020), (20, 1409185414), (26, 1083988780), (28, 1006561010), (31, 909151880), (35, 805248808), (40, 704592707), (49, 575177720), (52, 541994390), (56, 503280505), (62, 454575940), (65, 433595512), (70, 402624404), (91, 309711080), (98, 287588860), (104, 270997195), (124, 227287970), (130, 216797756), (140, 201312202), (155, 181830376), (182, 154855540), (196, 143794430), (217, 129878840), (245, 115035544), (248, 113643985), (260, 108398878), (280, 100656101), (310, 90915188), (364, 77427770), (392, 71897215), (403, 69934760), (434, 64939420), (455, 61942216), (490, 57517772), (520, 54199439), (620, 45457594), (637, 44244440), (728, 38713885), (806, 34967380), (868, 32469710), (910, 30971108), (961, 29327480), (980, 28758886), (1085, 25975768), (1151, 24486280), (1240, 22728797), (1274, 22122220), (1519, 18554120), (1612, 17483690), (1736, 16234855), (1820, 15485554), (1922, 14663740), (1960, 14379443), (2015, 13986952), (2170, 12987884), (2302, 12243140), (2548, 11061110), (2821, 9990680), (3038, 9277060), (3185, 8848888), (3224, 8741845), (3640, 7742777), (3844, 7331870), (4030, 6993476), (4340, 6493942), (4604, 6121570), (4805, 5865496), (5096, 5530555), (5642, 4995340), (5755, 4897256), (6076, 4638530), (6370, 4424444), (6727, 4189640), (7595, 3710824), (7688, 3665935), (8057, 3498040), (8060, 3496738), (8680, 3246971), (9208, 3060785), (9610, 2932748), (11284, 2497670), (11510, 2448628), (12152, 2319265), (12493, 2255960), (12740, 2212222), (13454, 2094820), (14105, 1998136), (14963, 1883560), (15190, 1855412), (16114, 1749020), (16120, 1748369), (19220, 1466374), (19747, 1427240), (22568, 1248835), (23020, 1224314), (24986, 1127980), (25480, 1106111), (26908, 1047410), (28210, 999068), (29926, 941780), (30380, 927706), (32228, 874510), (33635, 837928), (35681, 789880), (38440, 733187), (39494, 713620), (40285, 699608), (46040, 612157), (47089, 598520), (49972, 563990), (53816, 523705), (56399, 499720), (56420, 499534), (59852, 470890), (60760, 463853), (62465, 451192), (64456, 437255), (67270, 418964), (71362, 394940), (74815, 376712), (78988, 356810), (80570, 349804), (87451, 322280), (94178, 299260), (98735, 285448), (99944, 281995), (104741, 269080), (112798, 249860), (112840, 249767), (119704, 235445), (124930, 225596), (134540, 209482), (142724, 197470), (149630, 188356), (157976, 178405), (161140, 174902)]