11985820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 32288256

約数和(自身を除く): 20302436

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, 181, 215, 220, 301, 308, 362, 385, 430, 473, 602, 724, 770, 860, 905, 946, 1204, 1267, 1505, 1540, 1810, 1892, 1991, 2365, 2534, 3010, 3311, 3620, 3982, 4730, 5068, 6020, 6335, 6622, 7783, 7964, 9460, 9955, 12670, 13244, 13937, 15566, 16555, 19910, 25340, 27874, 31132, 33110, 38915, 39820, 54481, 55748, 66220, 69685, 77830, 85613, 108962, 139370, 155660, 171226, 217924, 272405, 278740, 342452, 428065, 544810, 599291, 856130, 1089620, 1198582, 1712260, 2397164, 2996455, 5992910, 11985820]

約数ペア:

[(1, 11985820), (2, 5992910), (4, 2996455), (5, 2397164), (7, 1712260), (10, 1198582), (11, 1089620), (14, 856130), (20, 599291), (22, 544810), (28, 428065), (35, 342452), (43, 278740), (44, 272405), (55, 217924), (70, 171226), (77, 155660), (86, 139370), (110, 108962), (140, 85613), (154, 77830), (172, 69685), (181, 66220), (215, 55748), (220, 54481), (301, 39820), (308, 38915), (362, 33110), (385, 31132), (430, 27874), (473, 25340), (602, 19910), (724, 16555), (770, 15566), (860, 13937), (905, 13244), (946, 12670), (1204, 9955), (1267, 9460), (1505, 7964), (1540, 7783), (1810, 6622), (1892, 6335), (1991, 6020), (2365, 5068), (2534, 4730), (3010, 3982), (3311, 3620)]