388181640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1052

約数の個数: 256

約数和(自身を含む): 1487185920

約数和(自身を除く): 1099004280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 43, 44, 55, 56, 60, 66, 70, 77, 84, 86, 88, 105, 110, 120, 129, 132, 140, 154, 165, 168, 172, 210, 215, 220, 231, 258, 264, 280, 301, 308, 330, 344, 385, 420, 430, 440, 462, 473, 516, 602, 616, 645, 660, 770, 840, 860, 903, 924, 946, 977, 1032, 1155, 1204, 1290, 1320, 1419, 1505, 1540, 1720, 1806, 1848, 1892, 1954, 2310, 2365, 2408, 2580, 2838, 2931, 3010, 3080, 3311, 3612, 3784, 3908, 4515, 4620, 4730, 4885, 5160, 5676, 5862, 6020, 6622, 6839, 7095, 7224, 7816, 9030, 9240, 9460, 9770, 9933, 10747, 11352, 11724, 12040, 13244, 13678, 14190, 14655, 16555, 18060, 18920, 19540, 19866, 20517, 21494, 23448, 26488, 27356, 28380, 29310, 32241, 33110, 34195, 36120, 39080, 39732, 41034, 42011, 42988, 49665, 53735, 54712, 56760, 58620, 64482, 66220, 68390, 75229, 79464, 82068, 84022, 85976, 99330, 102585, 107470, 117240, 126033, 128964, 132440, 136780, 150458, 161205, 164136, 168044, 198660, 205170, 210055, 214940, 225687, 252066, 257928, 273560, 294077, 300916, 322410, 336088, 376145, 397320, 410340, 420110, 429880, 451374, 462121, 504132, 588154, 601832, 630165, 644820, 752290, 820680, 840220, 882231, 902748, 924242, 1008264, 1128435, 1176308, 1260330, 1289640, 1386363, 1470385, 1504580, 1680440, 1764462, 1805496, 1848484, 2256870, 2310605, 2352616, 2520660, 2772726, 2940770, 3009160, 3234847, 3528924, 3696968, 4411155, 4513740, 4621210, 5041320, 5545452, 5881540, 6469694, 6931815, 7057848, 8822310, 9027480, 9242420, 9704541, 11090904, 11763080, 12939388, 13863630, 16174235, 17644620, 18484840, 19409082, 25878776, 27727260, 32348470, 35289240, 38818164, 48522705, 55454520, 64696940, 77636328, 97045410, 129393880, 194090820, 388181640]

約数ペア:

[(1, 388181640), (2, 194090820), (3, 129393880), (4, 97045410), (5, 77636328), (6, 64696940), (7, 55454520), (8, 48522705), (10, 38818164), (11, 35289240), (12, 32348470), (14, 27727260), (15, 25878776), (20, 19409082), (21, 18484840), (22, 17644620), (24, 16174235), (28, 13863630), (30, 12939388), (33, 11763080), (35, 11090904), (40, 9704541), (42, 9242420), (43, 9027480), (44, 8822310), (55, 7057848), (56, 6931815), (60, 6469694), (66, 5881540), (70, 5545452), (77, 5041320), (84, 4621210), (86, 4513740), (88, 4411155), (105, 3696968), (110, 3528924), (120, 3234847), (129, 3009160), (132, 2940770), (140, 2772726), (154, 2520660), (165, 2352616), (168, 2310605), (172, 2256870), (210, 1848484), (215, 1805496), (220, 1764462), (231, 1680440), (258, 1504580), (264, 1470385), (280, 1386363), (301, 1289640), (308, 1260330), (330, 1176308), (344, 1128435), (385, 1008264), (420, 924242), (430, 902748), (440, 882231), (462, 840220), (473, 820680), (516, 752290), (602, 644820), (616, 630165), (645, 601832), (660, 588154), (770, 504132), (840, 462121), (860, 451374), (903, 429880), (924, 420110), (946, 410340), (977, 397320), (1032, 376145), (1155, 336088), (1204, 322410), (1290, 300916), (1320, 294077), (1419, 273560), (1505, 257928), (1540, 252066), (1720, 225687), (1806, 214940), (1848, 210055), (1892, 205170), (1954, 198660), (2310, 168044), (2365, 164136), (2408, 161205), (2580, 150458), (2838, 136780), (2931, 132440), (3010, 128964), (3080, 126033), (3311, 117240), (3612, 107470), (3784, 102585), (3908, 99330), (4515, 85976), (4620, 84022), (4730, 82068), (4885, 79464), (5160, 75229), (5676, 68390), (5862, 66220), (6020, 64482), (6622, 58620), (6839, 56760), (7095, 54712), (7224, 53735), (7816, 49665), (9030, 42988), (9240, 42011), (9460, 41034), (9770, 39732), (9933, 39080), (10747, 36120), (11352, 34195), (11724, 33110), (12040, 32241), (13244, 29310), (13678, 28380), (14190, 27356), (14655, 26488), (16555, 23448), (18060, 21494), (18920, 20517), (19540, 19866)]