139442020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{50159}}^1$

素因数の和:50307

約数の個数: 24

約数和(自身を含む): 294940800

約数和(自身を除く): 155498780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 50159, 100318, 200636, 250795, 501590, 1003180, 6972101, 13944202, 27888404, 34860505, 69721010, 139442020]

約数ペア:

[(1, 139442020), (2, 69721010), (4, 34860505), (5, 27888404), (10, 13944202), (20, 6972101), (139, 1003180), (278, 501590), (556, 250795), (695, 200636), (1390, 100318), (2780, 50159)]