189577480

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{31387}}^1$

素因数の和:31549

約数の個数: 32

約数和(自身を含む): 429387840

約数和(自身を除く): 239810360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 31387, 62774, 125548, 156935, 251096, 313870, 627740, 1255480, 4739437, 9478874, 18957748, 23697185, 37915496, 47394370, 94788740, 189577480]

約数ペア:

[(1, 189577480), (2, 94788740), (4, 47394370), (5, 37915496), (8, 23697185), (10, 18957748), (20, 9478874), (40, 4739437), (151, 1255480), (302, 627740), (604, 313870), (755, 251096), (1208, 156935), (1510, 125548), (3020, 62774), (6040, 31387)]