257790048

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 730469376

約数和(自身を除く): 472679328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 31, 32, 48, 58, 62, 87, 93, 96, 103, 116, 124, 174, 186, 206, 232, 248, 309, 348, 372, 412, 464, 496, 618, 696, 744, 824, 841, 899, 928, 992, 1236, 1392, 1488, 1648, 1682, 1798, 2472, 2523, 2697, 2784, 2976, 2987, 3193, 3296, 3364, 3596, 4944, 5046, 5394, 5974, 6386, 6728, 7192, 8961, 9579, 9888, 10092, 10788, 11948, 12772, 13456, 14384, 17922, 19158, 20184, 21576, 23896, 25544, 26071, 26912, 28768, 35844, 38316, 40368, 43152, 47792, 51088, 52142, 71688, 76632, 78213, 80736, 86304, 86623, 92597, 95584, 102176, 104284, 143376, 153264, 156426, 173246, 185194, 208568, 259869, 277791, 286752, 306528, 312852, 346492, 370388, 417136, 519738, 555582, 625704, 692984, 740776, 834272, 1039476, 1111164, 1251408, 1385968, 1481552, 2078952, 2222328, 2502816, 2685313, 2771936, 2963104, 4157904, 4444656, 5370626, 8055939, 8315808, 8889312, 10741252, 16111878, 21482504, 32223756, 42965008, 64447512, 85930016, 128895024, 257790048]

約数ペア:

[(1, 257790048), (2, 128895024), (3, 85930016), (4, 64447512), (6, 42965008), (8, 32223756), (12, 21482504), (16, 16111878), (24, 10741252), (29, 8889312), (31, 8315808), (32, 8055939), (48, 5370626), (58, 4444656), (62, 4157904), (87, 2963104), (93, 2771936), (96, 2685313), (103, 2502816), (116, 2222328), (124, 2078952), (174, 1481552), (186, 1385968), (206, 1251408), (232, 1111164), (248, 1039476), (309, 834272), (348, 740776), (372, 692984), (412, 625704), (464, 555582), (496, 519738), (618, 417136), (696, 370388), (744, 346492), (824, 312852), (841, 306528), (899, 286752), (928, 277791), (992, 259869), (1236, 208568), (1392, 185194), (1488, 173246), (1648, 156426), (1682, 153264), (1798, 143376), (2472, 104284), (2523, 102176), (2697, 95584), (2784, 92597), (2976, 86623), (2987, 86304), (3193, 80736), (3296, 78213), (3364, 76632), (3596, 71688), (4944, 52142), (5046, 51088), (5394, 47792), (5974, 43152), (6386, 40368), (6728, 38316), (7192, 35844), (8961, 28768), (9579, 26912), (9888, 26071), (10092, 25544), (10788, 23896), (11948, 21576), (12772, 20184), (13456, 19158), (14384, 17922)]