219911920

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{14243}}^1$

素因数の和:14449

約数の個数: 40

約数和(自身を含む): 513980496

約数和(自身を除く): 294068576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 14243, 15440, 28486, 56972, 71215, 113944, 142430, 227888, 284860, 569720, 1139440, 2748899, 5497798, 10995596, 13744495, 21991192, 27488990, 43982384, 54977980, 109955960, 219911920]

約数ペア:

[(1, 219911920), (2, 109955960), (4, 54977980), (5, 43982384), (8, 27488990), (10, 21991192), (16, 13744495), (20, 10995596), (40, 5497798), (80, 2748899), (193, 1139440), (386, 569720), (772, 284860), (965, 227888), (1544, 142430), (1930, 113944), (3088, 71215), (3860, 56972), (7720, 28486), (14243, 15440)]