343388368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 726193600

約数和(自身を除く): 382805232

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 109, 152, 172, 218, 241, 304, 344, 436, 482, 688, 817, 872, 964, 1634, 1744, 1928, 2071, 3268, 3856, 4142, 4579, 4687, 6536, 8284, 9158, 9374, 10363, 13072, 16568, 18316, 18748, 20726, 26269, 33136, 36632, 37496, 41452, 52538, 73264, 74992, 82904, 89053, 105076, 165808, 178106, 196897, 210152, 356212, 393794, 420304, 499111, 712424, 787588, 998222, 1129567, 1424848, 1575176, 1996444, 2259134, 3150352, 3992888, 4518268, 7985776, 9036536, 18073072, 21461773, 42923546, 85847092, 171694184, 343388368]

約数ペア:

[(1, 343388368), (2, 171694184), (4, 85847092), (8, 42923546), (16, 21461773), (19, 18073072), (38, 9036536), (43, 7985776), (76, 4518268), (86, 3992888), (109, 3150352), (152, 2259134), (172, 1996444), (218, 1575176), (241, 1424848), (304, 1129567), (344, 998222), (436, 787588), (482, 712424), (688, 499111), (817, 420304), (872, 393794), (964, 356212), (1634, 210152), (1744, 196897), (1928, 178106), (2071, 165808), (3268, 105076), (3856, 89053), (4142, 82904), (4579, 74992), (4687, 73264), (6536, 52538), (8284, 41452), (9158, 37496), (9374, 36632), (10363, 33136), (13072, 26269), (16568, 20726), (18316, 18748)]