381069440

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:350

約数の個数: 128

約数和(自身を含む): 951635520

約数和(自身を除く): 570566080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 61, 64, 80, 86, 122, 128, 160, 172, 215, 227, 244, 305, 320, 344, 430, 454, 488, 610, 640, 688, 860, 908, 976, 1135, 1220, 1376, 1720, 1816, 1952, 2270, 2440, 2623, 2752, 3440, 3632, 3904, 4540, 4880, 5246, 5504, 6880, 7264, 7808, 9080, 9760, 9761, 10492, 13115, 13760, 13847, 14528, 18160, 19520, 19522, 20984, 26230, 27520, 27694, 29056, 36320, 39040, 39044, 41968, 48805, 52460, 55388, 69235, 72640, 78088, 83936, 97610, 104920, 110776, 138470, 145280, 156176, 167872, 195220, 209840, 221552, 276940, 312352, 335744, 390440, 419680, 443104, 553880, 595421, 624704, 780880, 839360, 886208, 1107760, 1190842, 1249408, 1561760, 1678720, 1772416, 2215520, 2381684, 2977105, 3123520, 4431040, 4763368, 5954210, 6247040, 8862080, 9526736, 11908420, 19053472, 23816840, 38106944, 47633680, 76213888, 95267360, 190534720, 381069440]

約数ペア:

[(1, 381069440), (2, 190534720), (4, 95267360), (5, 76213888), (8, 47633680), (10, 38106944), (16, 23816840), (20, 19053472), (32, 11908420), (40, 9526736), (43, 8862080), (61, 6247040), (64, 5954210), (80, 4763368), (86, 4431040), (122, 3123520), (128, 2977105), (160, 2381684), (172, 2215520), (215, 1772416), (227, 1678720), (244, 1561760), (305, 1249408), (320, 1190842), (344, 1107760), (430, 886208), (454, 839360), (488, 780880), (610, 624704), (640, 595421), (688, 553880), (860, 443104), (908, 419680), (976, 390440), (1135, 335744), (1220, 312352), (1376, 276940), (1720, 221552), (1816, 209840), (1952, 195220), (2270, 167872), (2440, 156176), (2623, 145280), (2752, 138470), (3440, 110776), (3632, 104920), (3904, 97610), (4540, 83936), (4880, 78088), (5246, 72640), (5504, 69235), (6880, 55388), (7264, 52460), (7808, 48805), (9080, 41968), (9760, 39044), (9761, 39040), (10492, 36320), (13115, 29056), (13760, 27694), (13847, 27520), (14528, 26230), (18160, 20984), (19520, 19522)]