242307640

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{31387}}^1$

素因数の和:31591

約数の個数: 32

約数和(自身を含む): 548034480

約数和(自身を除く): 305726840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 31387, 62774, 125548, 156935, 251096, 313870, 627740, 1255480, 6057691, 12115382, 24230764, 30288455, 48461528, 60576910, 121153820, 242307640]

約数ペア:

[(1, 242307640), (2, 121153820), (4, 60576910), (5, 48461528), (8, 30288455), (10, 24230764), (20, 12115382), (40, 6057691), (193, 1255480), (386, 627740), (772, 313870), (965, 251096), (1544, 156935), (1930, 125548), (3860, 62774), (7720, 31387)]