178780928

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 370986000

約数和(自身を除く): 192205072

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 109, 128, 149, 172, 218, 256, 298, 344, 436, 596, 688, 872, 1192, 1376, 1744, 2384, 2752, 3488, 4687, 4768, 5504, 6407, 6976, 9374, 9536, 11008, 12814, 13952, 16241, 18748, 19072, 25628, 27904, 32482, 37496, 38144, 51256, 64964, 74992, 102512, 129928, 149984, 205024, 259856, 299968, 410048, 519712, 599936, 698363, 820096, 1039424, 1199872, 1396726, 1640192, 2078848, 2793452, 4157696, 5586904, 11173808, 22347616, 44695232, 89390464, 178780928]

約数ペア:

[(1, 178780928), (2, 89390464), (4, 44695232), (8, 22347616), (16, 11173808), (32, 5586904), (43, 4157696), (64, 2793452), (86, 2078848), (109, 1640192), (128, 1396726), (149, 1199872), (172, 1039424), (218, 820096), (256, 698363), (298, 599936), (344, 519712), (436, 410048), (596, 299968), (688, 259856), (872, 205024), (1192, 149984), (1376, 129928), (1744, 102512), (2384, 74992), (2752, 64964), (3488, 51256), (4687, 38144), (4768, 37496), (5504, 32482), (6407, 27904), (6976, 25628), (9374, 19072), (9536, 18748), (11008, 16241), (12814, 13952)]