254537920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8741}}^1$

素因数の和:8778

約数の個数: 112

約数和(自身を含む): 746077248

約数和(自身を除く): 491539328

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 8741, 14560, 17482, 29120, 34964, 43705, 61187, 69928, 87410, 113633, 122374, 139856, 174820, 227266, 244748, 279712, 305935, 349640, 454532, 489496, 559424, 568165, 611870, 699280, 795431, 909064, 978992, 1136330, 1223740, 1398560, 1590862, 1818128, 1957984, 2272660, 2447480, 2797120, 3181724, 3636256, 3915968, 3977155, 4545320, 4894960, 6363448, 7272512, 7954310, 9090640, 9789920, 12726896, 15908620, 18181280, 19579840, 25453792, 31817240, 36362560, 50907584, 63634480, 127268960, 254537920]

約数ペア:

[(1, 254537920), (2, 127268960), (4, 63634480), (5, 50907584), (7, 36362560), (8, 31817240), (10, 25453792), (13, 19579840), (14, 18181280), (16, 15908620), (20, 12726896), (26, 9789920), (28, 9090640), (32, 7954310), (35, 7272512), (40, 6363448), (52, 4894960), (56, 4545320), (64, 3977155), (65, 3915968), (70, 3636256), (80, 3181724), (91, 2797120), (104, 2447480), (112, 2272660), (130, 1957984), (140, 1818128), (160, 1590862), (182, 1398560), (208, 1223740), (224, 1136330), (260, 978992), (280, 909064), (320, 795431), (364, 699280), (416, 611870), (448, 568165), (455, 559424), (520, 489496), (560, 454532), (728, 349640), (832, 305935), (910, 279712), (1040, 244748), (1120, 227266), (1456, 174820), (1820, 139856), (2080, 122374), (2240, 113633), (2912, 87410), (3640, 69928), (4160, 61187), (5824, 43705), (7280, 34964), (8741, 29120), (14560, 17482)]