156780580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{16573}}^1$

素因数の和:16636

約数の個数: 48

約数和(自身を含む): 367545024

約数和(自身を除く): 210764444

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, 16573, 33146, 66292, 82865, 165730, 182303, 331460, 364606, 712639, 729212, 911515, 1425278, 1823030, 2850556, 3563195, 3646060, 7126390, 7839029, 14252780, 15678058, 31356116, 39195145, 78390290, 156780580]

約数ペア:

[(1, 156780580), (2, 78390290), (4, 39195145), (5, 31356116), (10, 15678058), (11, 14252780), (20, 7839029), (22, 7126390), (43, 3646060), (44, 3563195), (55, 2850556), (86, 1823030), (110, 1425278), (172, 911515), (215, 729212), (220, 712639), (430, 364606), (473, 331460), (860, 182303), (946, 165730), (1892, 82865), (2365, 66292), (4730, 33146), (9460, 16573)]