189339740

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{7703}}^1$

素因数の和:8941

約数の個数: 24

約数和(自身を含む): 397988640

約数和(自身を除く): 208648900

約数列:

[1, 2, 4, 5, 10, 20, 1229, 2458, 4916, 6145, 7703, 12290, 15406, 24580, 30812, 38515, 77030, 154060, 9466987, 18933974, 37867948, 47334935, 94669870, 189339740]

約数ペア:

[(1, 189339740), (2, 94669870), (4, 47334935), (5, 37867948), (10, 18933974), (20, 9466987), (1229, 154060), (2458, 77030), (4916, 38515), (6145, 30812), (7703, 24580), (12290, 15406)]