398391168

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:745

約数の個数: 192

約数和(自身を含む): 1272568320

約数和(自身を除く): 874177152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 64, 84, 93, 96, 98, 112, 124, 128, 147, 168, 186, 192, 196, 217, 224, 248, 294, 336, 372, 384, 392, 434, 448, 496, 588, 651, 672, 683, 744, 784, 868, 896, 992, 1176, 1302, 1344, 1366, 1488, 1519, 1568, 1736, 1984, 2049, 2352, 2604, 2688, 2732, 2976, 3038, 3136, 3472, 3968, 4098, 4557, 4704, 4781, 5208, 5464, 5952, 6076, 6272, 6944, 8196, 9114, 9408, 9562, 10416, 10928, 11904, 12152, 13888, 14343, 16392, 18228, 18816, 19124, 20832, 21173, 21856, 24304, 27776, 28686, 32784, 33467, 36456, 38248, 41664, 42346, 43712, 48608, 57372, 63519, 65568, 66934, 72912, 76496, 83328, 84692, 87424, 97216, 100401, 114744, 127038, 131136, 133868, 145824, 148211, 152992, 169384, 194432, 200802, 229488, 254076, 262272, 267736, 291648, 296422, 305984, 338768, 401604, 444633, 458976, 508152, 535472, 583296, 592844, 611968, 677536, 803208, 889266, 917952, 1016304, 1037477, 1070944, 1185688, 1355072, 1606416, 1778532, 1835904, 2032608, 2074954, 2141888, 2371376, 2710144, 3112431, 3212832, 3557064, 4065216, 4149908, 4283776, 4742752, 6224862, 6425664, 7114128, 8130432, 8299816, 9485504, 12449724, 12851328, 14228256, 16599632, 18971008, 24899448, 28456512, 33199264, 49798896, 56913024, 66398528, 99597792, 132797056, 199195584, 398391168]

約数ペア:

[(1, 398391168), (2, 199195584), (3, 132797056), (4, 99597792), (6, 66398528), (7, 56913024), (8, 49798896), (12, 33199264), (14, 28456512), (16, 24899448), (21, 18971008), (24, 16599632), (28, 14228256), (31, 12851328), (32, 12449724), (42, 9485504), (48, 8299816), (49, 8130432), (56, 7114128), (62, 6425664), (64, 6224862), (84, 4742752), (93, 4283776), (96, 4149908), (98, 4065216), (112, 3557064), (124, 3212832), (128, 3112431), (147, 2710144), (168, 2371376), (186, 2141888), (192, 2074954), (196, 2032608), (217, 1835904), (224, 1778532), (248, 1606416), (294, 1355072), (336, 1185688), (372, 1070944), (384, 1037477), (392, 1016304), (434, 917952), (448, 889266), (496, 803208), (588, 677536), (651, 611968), (672, 592844), (683, 583296), (744, 535472), (784, 508152), (868, 458976), (896, 444633), (992, 401604), (1176, 338768), (1302, 305984), (1344, 296422), (1366, 291648), (1488, 267736), (1519, 262272), (1568, 254076), (1736, 229488), (1984, 200802), (2049, 194432), (2352, 169384), (2604, 152992), (2688, 148211), (2732, 145824), (2976, 133868), (3038, 131136), (3136, 127038), (3472, 114744), (3968, 100401), (4098, 97216), (4557, 87424), (4704, 84692), (4781, 83328), (5208, 76496), (5464, 72912), (5952, 66934), (6076, 65568), (6272, 63519), (6944, 57372), (8196, 48608), (9114, 43712), (9408, 42346), (9562, 41664), (10416, 38248), (10928, 36456), (11904, 33467), (12152, 32784), (13888, 28686), (14343, 27776), (16392, 24304), (18228, 21856), (18816, 21173), (19124, 20832)]