308783480

素因数分解:

$2^3\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{6911}}^1$

素因数の和:8039

約数の個数: 32

約数和(自身を含む): 695485440

約数和(自身を除く): 386701960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1117, 2234, 4468, 5585, 6911, 8936, 11170, 13822, 22340, 27644, 34555, 44680, 55288, 69110, 138220, 276440, 7719587, 15439174, 30878348, 38597935, 61756696, 77195870, 154391740, 308783480]

約数ペア:

[(1, 308783480), (2, 154391740), (4, 77195870), (5, 61756696), (8, 38597935), (10, 30878348), (20, 15439174), (40, 7719587), (1117, 276440), (2234, 138220), (4468, 69110), (5585, 55288), (6911, 44680), (8936, 34555), (11170, 27644), (13822, 22340)]