254261504

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 627916800

約数和(自身を除く): 373655296

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 56, 62, 64, 92, 112, 124, 128, 161, 184, 199, 217, 224, 248, 256, 322, 368, 398, 434, 448, 496, 644, 713, 736, 796, 868, 896, 992, 1288, 1393, 1426, 1472, 1592, 1736, 1792, 1984, 2576, 2786, 2852, 2944, 3184, 3472, 3968, 4577, 4991, 5152, 5572, 5704, 5888, 6169, 6368, 6944, 7936, 9154, 9982, 10304, 11144, 11408, 12338, 12736, 13888, 18308, 19964, 20608, 22288, 22816, 24676, 25472, 27776, 32039, 36616, 39928, 41216, 43183, 44576, 45632, 49352, 50944, 55552, 64078, 73232, 79856, 86366, 89152, 91264, 98704, 128156, 141887, 146464, 159712, 172732, 178304, 182528, 197408, 256312, 283774, 292928, 319424, 345464, 356608, 394816, 512624, 567548, 585856, 638848, 690928, 789632, 993209, 1025248, 1135096, 1171712, 1277696, 1381856, 1579264, 1986418, 2050496, 2270192, 2763712, 3972836, 4100992, 4540384, 5527424, 7945672, 8201984, 9080768, 11054848, 15891344, 18161536, 31782688, 36323072, 63565376, 127130752, 254261504]

約数ペア:

[(1, 254261504), (2, 127130752), (4, 63565376), (7, 36323072), (8, 31782688), (14, 18161536), (16, 15891344), (23, 11054848), (28, 9080768), (31, 8201984), (32, 7945672), (46, 5527424), (56, 4540384), (62, 4100992), (64, 3972836), (92, 2763712), (112, 2270192), (124, 2050496), (128, 1986418), (161, 1579264), (184, 1381856), (199, 1277696), (217, 1171712), (224, 1135096), (248, 1025248), (256, 993209), (322, 789632), (368, 690928), (398, 638848), (434, 585856), (448, 567548), (496, 512624), (644, 394816), (713, 356608), (736, 345464), (796, 319424), (868, 292928), (896, 283774), (992, 256312), (1288, 197408), (1393, 182528), (1426, 178304), (1472, 172732), (1592, 159712), (1736, 146464), (1792, 141887), (1984, 128156), (2576, 98704), (2786, 91264), (2852, 89152), (2944, 86366), (3184, 79856), (3472, 73232), (3968, 64078), (4577, 55552), (4991, 50944), (5152, 49352), (5572, 45632), (5704, 44576), (5888, 43183), (6169, 41216), (6368, 39928), (6944, 36616), (7936, 32039), (9154, 27776), (9982, 25472), (10304, 24676), (11144, 22816), (11408, 22288), (12338, 20608), (12736, 19964), (13888, 18308)]