6946220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 15367968

約数和(自身を除く): 8421748

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 197, 205, 215, 394, 410, 430, 788, 820, 860, 985, 1763, 1970, 3526, 3940, 7052, 8077, 8471, 8815, 16154, 16942, 17630, 32308, 33884, 35260, 40385, 42355, 80770, 84710, 161540, 169420, 347311, 694622, 1389244, 1736555, 3473110, 6946220]

約数ペア:

[(1, 6946220), (2, 3473110), (4, 1736555), (5, 1389244), (10, 694622), (20, 347311), (41, 169420), (43, 161540), (82, 84710), (86, 80770), (164, 42355), (172, 40385), (197, 35260), (205, 33884), (215, 32308), (394, 17630), (410, 16942), (430, 16154), (788, 8815), (820, 8471), (860, 8077), (985, 7052), (1763, 3940), (1970, 3526)]