229052540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{82393}}^1$

素因数の和:82541

約数の個数: 24

約数和(自身を含む): 484476720

約数和(自身を除く): 255424180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 82393, 164786, 329572, 411965, 823930, 1647860, 11452627, 22905254, 45810508, 57263135, 114526270, 229052540]

約数ペア:

[(1, 229052540), (2, 114526270), (4, 57263135), (5, 45810508), (10, 22905254), (20, 11452627), (139, 1647860), (278, 823930), (556, 411965), (695, 329572), (1390, 164786), (2780, 82393)]