194636920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113161}}^1$

素因数の和:113215

約数の個数: 32

約数和(自身を含む): 448121520

約数和(自身を除く): 253484600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 113161, 226322, 452644, 565805, 905288, 1131610, 2263220, 4526440, 4865923, 9731846, 19463692, 24329615, 38927384, 48659230, 97318460, 194636920]

約数ペア:

[(1, 194636920), (2, 97318460), (4, 48659230), (5, 38927384), (8, 24329615), (10, 19463692), (20, 9731846), (40, 4865923), (43, 4526440), (86, 2263220), (172, 1131610), (215, 905288), (344, 565805), (430, 452644), (860, 226322), (1720, 113161)]