2991885820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{45181}}^1$

素因数の和:45251

約数の個数: 96

約数和(自身を含む): 8015648256

約数和(自身を除く): 5023762436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 301, 308, 385, 430, 473, 602, 770, 860, 946, 1204, 1505, 1540, 1892, 2365, 3010, 3311, 4730, 6020, 6622, 9460, 13244, 16555, 33110, 45181, 66220, 90362, 180724, 225905, 316267, 451810, 496991, 632534, 903620, 993982, 1265068, 1581335, 1942783, 1987964, 2484955, 3162670, 3478937, 3885566, 4969910, 6325340, 6957874, 7771132, 9713915, 9939820, 13599481, 13915748, 17394685, 19427830, 21370613, 27198962, 34789370, 38855660, 42741226, 54397924, 67997405, 69578740, 85482452, 106853065, 135994810, 149594291, 213706130, 271989620, 299188582, 427412260, 598377164, 747971455, 1495942910, 2991885820]

約数ペア:

[(1, 2991885820), (2, 1495942910), (4, 747971455), (5, 598377164), (7, 427412260), (10, 299188582), (11, 271989620), (14, 213706130), (20, 149594291), (22, 135994810), (28, 106853065), (35, 85482452), (43, 69578740), (44, 67997405), (55, 54397924), (70, 42741226), (77, 38855660), (86, 34789370), (110, 27198962), (140, 21370613), (154, 19427830), (172, 17394685), (215, 13915748), (220, 13599481), (301, 9939820), (308, 9713915), (385, 7771132), (430, 6957874), (473, 6325340), (602, 4969910), (770, 3885566), (860, 3478937), (946, 3162670), (1204, 2484955), (1505, 1987964), (1540, 1942783), (1892, 1581335), (2365, 1265068), (3010, 993982), (3311, 903620), (4730, 632534), (6020, 496991), (6622, 451810), (9460, 316267), (13244, 225905), (16555, 180724), (33110, 90362), (45181, 66220)]