257750328

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:298

約数の個数: 192

約数和(自身を含む): 785998080

約数和(自身を除く): 528247752

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 23, 24, 33, 34, 44, 46, 51, 66, 68, 69, 88, 92, 102, 121, 132, 136, 138, 184, 187, 204, 227, 242, 253, 264, 276, 363, 374, 391, 408, 454, 484, 506, 552, 561, 681, 726, 748, 759, 782, 908, 968, 1012, 1122, 1173, 1362, 1452, 1496, 1518, 1564, 1816, 2024, 2057, 2244, 2346, 2497, 2724, 2783, 2904, 3036, 3128, 3859, 4114, 4301, 4488, 4692, 4994, 5221, 5448, 5566, 6072, 6171, 7491, 7718, 8228, 8349, 8602, 9384, 9988, 10442, 11132, 11577, 12342, 12903, 14982, 15436, 15663, 16456, 16698, 17204, 19976, 20884, 22264, 23154, 24684, 25806, 27467, 29964, 30872, 31326, 33396, 34408, 41768, 42449, 46308, 47311, 49368, 51612, 54934, 57431, 59928, 62652, 66792, 82401, 84898, 88757, 92616, 94622, 103224, 109868, 114862, 125304, 127347, 141933, 164802, 169796, 172293, 177514, 189244, 219736, 229724, 254694, 266271, 283866, 329604, 339592, 344586, 355028, 378488, 459448, 466939, 509388, 532542, 567732, 631741, 659208, 689172, 710056, 933878, 976327, 1018776, 1065084, 1135464, 1263482, 1378344, 1400817, 1867756, 1895223, 1952654, 2130168, 2526964, 2801634, 2928981, 3735512, 3790446, 3905308, 5053928, 5603268, 5857962, 7580892, 7810616, 10739597, 11206536, 11715924, 15161784, 21479194, 23431848, 32218791, 42958388, 64437582, 85916776, 128875164, 257750328]

約数ペア:

[(1, 257750328), (2, 128875164), (3, 85916776), (4, 64437582), (6, 42958388), (8, 32218791), (11, 23431848), (12, 21479194), (17, 15161784), (22, 11715924), (23, 11206536), (24, 10739597), (33, 7810616), (34, 7580892), (44, 5857962), (46, 5603268), (51, 5053928), (66, 3905308), (68, 3790446), (69, 3735512), (88, 2928981), (92, 2801634), (102, 2526964), (121, 2130168), (132, 1952654), (136, 1895223), (138, 1867756), (184, 1400817), (187, 1378344), (204, 1263482), (227, 1135464), (242, 1065084), (253, 1018776), (264, 976327), (276, 933878), (363, 710056), (374, 689172), (391, 659208), (408, 631741), (454, 567732), (484, 532542), (506, 509388), (552, 466939), (561, 459448), (681, 378488), (726, 355028), (748, 344586), (759, 339592), (782, 329604), (908, 283866), (968, 266271), (1012, 254694), (1122, 229724), (1173, 219736), (1362, 189244), (1452, 177514), (1496, 172293), (1518, 169796), (1564, 164802), (1816, 141933), (2024, 127347), (2057, 125304), (2244, 114862), (2346, 109868), (2497, 103224), (2724, 94622), (2783, 92616), (2904, 88757), (3036, 84898), (3128, 82401), (3859, 66792), (4114, 62652), (4301, 59928), (4488, 57431), (4692, 54934), (4994, 51612), (5221, 49368), (5448, 47311), (5566, 46308), (6072, 42449), (6171, 41768), (7491, 34408), (7718, 33396), (8228, 31326), (8349, 30872), (8602, 29964), (9384, 27467), (9988, 25806), (10442, 24684), (11132, 23154), (11577, 22264), (12342, 20884), (12903, 19976), (14982, 17204), (15436, 16698), (15663, 16456)]