278838528

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 793235520

約数和(自身を除く): 514396992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 97, 114, 128, 152, 192, 194, 197, 228, 256, 291, 304, 384, 388, 394, 456, 582, 591, 608, 768, 776, 788, 912, 1164, 1182, 1216, 1552, 1576, 1824, 1843, 2328, 2364, 2432, 3104, 3152, 3648, 3686, 3743, 4656, 4728, 4864, 5529, 6208, 6304, 7296, 7372, 7486, 9312, 9456, 11058, 11229, 12416, 12608, 14592, 14744, 14972, 18624, 18912, 19109, 22116, 22458, 24832, 25216, 29488, 29944, 37248, 37824, 38218, 44232, 44916, 50432, 57327, 58976, 59888, 74496, 75648, 76436, 88464, 89832, 114654, 117952, 119776, 151296, 152872, 176928, 179664, 229308, 235904, 239552, 305744, 353856, 359328, 363071, 458616, 471808, 479104, 611488, 707712, 718656, 726142, 917232, 958208, 1089213, 1222976, 1415424, 1437312, 1452284, 1834464, 2178426, 2445952, 2874624, 2904568, 3668928, 4356852, 4891904, 5809136, 7337856, 8713704, 11618272, 14675712, 17427408, 23236544, 34854816, 46473088, 69709632, 92946176, 139419264, 278838528]

約数ペア:

[(1, 278838528), (2, 139419264), (3, 92946176), (4, 69709632), (6, 46473088), (8, 34854816), (12, 23236544), (16, 17427408), (19, 14675712), (24, 11618272), (32, 8713704), (38, 7337856), (48, 5809136), (57, 4891904), (64, 4356852), (76, 3668928), (96, 2904568), (97, 2874624), (114, 2445952), (128, 2178426), (152, 1834464), (192, 1452284), (194, 1437312), (197, 1415424), (228, 1222976), (256, 1089213), (291, 958208), (304, 917232), (384, 726142), (388, 718656), (394, 707712), (456, 611488), (582, 479104), (591, 471808), (608, 458616), (768, 363071), (776, 359328), (788, 353856), (912, 305744), (1164, 239552), (1182, 235904), (1216, 229308), (1552, 179664), (1576, 176928), (1824, 152872), (1843, 151296), (2328, 119776), (2364, 117952), (2432, 114654), (3104, 89832), (3152, 88464), (3648, 76436), (3686, 75648), (3743, 74496), (4656, 59888), (4728, 58976), (4864, 57327), (5529, 50432), (6208, 44916), (6304, 44232), (7296, 38218), (7372, 37824), (7486, 37248), (9312, 29944), (9456, 29488), (11058, 25216), (11229, 24832), (12416, 22458), (12608, 22116), (14592, 19109), (14744, 18912), (14972, 18624)]