316230656

素因数分解:

$2^{10}\times 7^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:465

約数の個数: 88

約数和(自身を含む): 729649056

約数和(自身を除く): 413418400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 157, 224, 256, 281, 314, 448, 512, 562, 628, 896, 1024, 1099, 1124, 1256, 1792, 1967, 2198, 2248, 2512, 3584, 3934, 4396, 4496, 5024, 7168, 7868, 8792, 8992, 10048, 15736, 17584, 17984, 20096, 31472, 35168, 35968, 40192, 44117, 62944, 70336, 71936, 80384, 88234, 125888, 140672, 143872, 160768, 176468, 251776, 281344, 287744, 308819, 352936, 503552, 562688, 617638, 705872, 1007104, 1125376, 1235276, 1411744, 2014208, 2470552, 2823488, 4941104, 5646976, 9882208, 11293952, 19764416, 22587904, 39528832, 45175808, 79057664, 158115328, 316230656]

約数ペア:

[(1, 316230656), (2, 158115328), (4, 79057664), (7, 45175808), (8, 39528832), (14, 22587904), (16, 19764416), (28, 11293952), (32, 9882208), (56, 5646976), (64, 4941104), (112, 2823488), (128, 2470552), (157, 2014208), (224, 1411744), (256, 1235276), (281, 1125376), (314, 1007104), (448, 705872), (512, 617638), (562, 562688), (628, 503552), (896, 352936), (1024, 308819), (1099, 287744), (1124, 281344), (1256, 251776), (1792, 176468), (1967, 160768), (2198, 143872), (2248, 140672), (2512, 125888), (3584, 88234), (3934, 80384), (4396, 71936), (4496, 70336), (5024, 62944), (7168, 44117), (7868, 40192), (8792, 35968), (8992, 35168), (10048, 31472), (15736, 20096), (17584, 17984)]