220121874

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{389}}^1\times {\mathrm{499}}^1$

素因数の和:909

約数の個数: 80

約数和(自身を含む): 566280000

約数和(自身を除く): 346158126

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 389, 499, 567, 778, 998, 1134, 1167, 1497, 2334, 2723, 2994, 3493, 3501, 4491, 5446, 6986, 7002, 8169, 8982, 10479, 10503, 13473, 16338, 20958, 21006, 24507, 26946, 31437, 31509, 40419, 49014, 62874, 63018, 73521, 80838, 94311, 147042, 188622, 194111, 220563, 282933, 388222, 441126, 565866, 582333, 1164666, 1358777, 1746999, 2717554, 3493998, 4076331, 5240997, 8152662, 10481994, 12228993, 15722991, 24457986, 31445982, 36686979, 73373958, 110060937, 220121874]

約数ペア:

[(1, 220121874), (2, 110060937), (3, 73373958), (6, 36686979), (7, 31445982), (9, 24457986), (14, 15722991), (18, 12228993), (21, 10481994), (27, 8152662), (42, 5240997), (54, 4076331), (63, 3493998), (81, 2717554), (126, 1746999), (162, 1358777), (189, 1164666), (378, 582333), (389, 565866), (499, 441126), (567, 388222), (778, 282933), (998, 220563), (1134, 194111), (1167, 188622), (1497, 147042), (2334, 94311), (2723, 80838), (2994, 73521), (3493, 63018), (3501, 62874), (4491, 49014), (5446, 40419), (6986, 31509), (7002, 31437), (8169, 26946), (8982, 24507), (10479, 21006), (10503, 20958), (13473, 16338)]