140435456

素因数分解:

$2^{13}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 112

約数和(自身を含む): 335523840

約数和(自身を除く): 195088384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 79, 112, 124, 128, 158, 217, 224, 248, 256, 316, 434, 448, 496, 512, 553, 632, 868, 896, 992, 1024, 1106, 1264, 1736, 1792, 1984, 2048, 2212, 2449, 2528, 3472, 3584, 3968, 4096, 4424, 4898, 5056, 6944, 7168, 7936, 8192, 8848, 9796, 10112, 13888, 14336, 15872, 17143, 17696, 19592, 20224, 27776, 28672, 31744, 34286, 35392, 39184, 40448, 55552, 57344, 63488, 68572, 70784, 78368, 80896, 111104, 126976, 137144, 141568, 156736, 161792, 222208, 253952, 274288, 283136, 313472, 323584, 444416, 548576, 566272, 626944, 647168, 888832, 1097152, 1132544, 1253888, 1777664, 2194304, 2265088, 2507776, 4388608, 4530176, 5015552, 8777216, 10031104, 17554432, 20062208, 35108864, 70217728, 140435456]

約数ペア:

[(1, 140435456), (2, 70217728), (4, 35108864), (7, 20062208), (8, 17554432), (14, 10031104), (16, 8777216), (28, 5015552), (31, 4530176), (32, 4388608), (56, 2507776), (62, 2265088), (64, 2194304), (79, 1777664), (112, 1253888), (124, 1132544), (128, 1097152), (158, 888832), (217, 647168), (224, 626944), (248, 566272), (256, 548576), (316, 444416), (434, 323584), (448, 313472), (496, 283136), (512, 274288), (553, 253952), (632, 222208), (868, 161792), (896, 156736), (992, 141568), (1024, 137144), (1106, 126976), (1264, 111104), (1736, 80896), (1792, 78368), (1984, 70784), (2048, 68572), (2212, 63488), (2449, 57344), (2528, 55552), (3472, 40448), (3584, 39184), (3968, 35392), (4096, 34286), (4424, 31744), (4898, 28672), (5056, 27776), (6944, 20224), (7168, 19592), (7936, 17696), (8192, 17143), (8848, 15872), (9796, 14336), (10112, 13888)]