1949923580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{206123}}^1$

素因数の和:206186

約数の個数: 48

約数和(自身を含む): 4571005824

約数和(自身を除く): 2621082244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 206123, 412246, 824492, 1030615, 2061230, 2267353, 4122460, 4534706, 8863289, 9069412, 11336765, 17726578, 22673530, 35453156, 44316445, 45347060, 88632890, 97496179, 177265780, 194992358, 389984716, 487480895, 974961790, 1949923580]

約数ペア:

[(1, 1949923580), (2, 974961790), (4, 487480895), (5, 389984716), (10, 194992358), (11, 177265780), (20, 97496179), (22, 88632890), (43, 45347060), (44, 44316445), (55, 35453156), (86, 22673530), (110, 17726578), (172, 11336765), (215, 9069412), (220, 8863289), (430, 4534706), (473, 4122460), (860, 2267353), (946, 2061230), (1892, 1030615), (2365, 824492), (4730, 412246), (9460, 206123)]