1239260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 2927232

約数和(自身を除く): 1687972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 131, 172, 215, 220, 262, 430, 473, 524, 655, 860, 946, 1310, 1441, 1892, 2365, 2620, 2882, 4730, 5633, 5764, 7205, 9460, 11266, 14410, 22532, 28165, 28820, 56330, 61963, 112660, 123926, 247852, 309815, 619630, 1239260]

約数ペア:

[(1, 1239260), (2, 619630), (4, 309815), (5, 247852), (10, 123926), (11, 112660), (20, 61963), (22, 56330), (43, 28820), (44, 28165), (55, 22532), (86, 14410), (110, 11266), (131, 9460), (172, 7205), (215, 5764), (220, 5633), (262, 4730), (430, 2882), (473, 2620), (524, 2365), (655, 1892), (860, 1441), (946, 1310)]