129819580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{13723}}^1$

素因数の和:13786

約数の個数: 48

約数和(自身を含む): 304343424

約数和(自身を除く): 174523844

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, 13723, 27446, 54892, 68615, 137230, 150953, 274460, 301906, 590089, 603812, 754765, 1180178, 1509530, 2360356, 2950445, 3019060, 5900890, 6490979, 11801780, 12981958, 25963916, 32454895, 64909790, 129819580]

約数ペア:

[(1, 129819580), (2, 64909790), (4, 32454895), (5, 25963916), (10, 12981958), (11, 11801780), (20, 6490979), (22, 5900890), (43, 3019060), (44, 2950445), (55, 2360356), (86, 1509530), (110, 1180178), (172, 754765), (215, 603812), (220, 590089), (430, 301906), (473, 274460), (860, 150953), (946, 137230), (1892, 68615), (2365, 54892), (4730, 27446), (9460, 13723)]