83900740

素因数分解:

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

素因数の和:258

約数の個数: 144

約数和(自身を含む): 230053824

約数和(自身を除く): 146153084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 49, 55, 70, 77, 86, 98, 110, 140, 154, 172, 181, 196, 215, 220, 245, 301, 308, 362, 385, 430, 473, 490, 539, 602, 724, 770, 860, 905, 946, 980, 1078, 1204, 1267, 1505, 1540, 1810, 1892, 1991, 2107, 2156, 2365, 2534, 2695, 3010, 3311, 3620, 3982, 4214, 4730, 5068, 5390, 6020, 6335, 6622, 7783, 7964, 8428, 8869, 9460, 9955, 10535, 10780, 12670, 13244, 13937, 15566, 16555, 17738, 19910, 21070, 23177, 25340, 27874, 31132, 33110, 35476, 38915, 39820, 42140, 44345, 46354, 54481, 55748, 66220, 69685, 77830, 85613, 88690, 92708, 97559, 108962, 115885, 139370, 155660, 171226, 177380, 195118, 217924, 231770, 272405, 278740, 342452, 381367, 390236, 428065, 463540, 487795, 544810, 599291, 762734, 856130, 975590, 1089620, 1198582, 1525468, 1712260, 1906835, 1951180, 2397164, 2996455, 3813670, 4195037, 5992910, 7627340, 8390074, 11985820, 16780148, 20975185, 41950370, 83900740]

約数ペア:

[(1, 83900740), (2, 41950370), (4, 20975185), (5, 16780148), (7, 11985820), (10, 8390074), (11, 7627340), (14, 5992910), (20, 4195037), (22, 3813670), (28, 2996455), (35, 2397164), (43, 1951180), (44, 1906835), (49, 1712260), (55, 1525468), (70, 1198582), (77, 1089620), (86, 975590), (98, 856130), (110, 762734), (140, 599291), (154, 544810), (172, 487795), (181, 463540), (196, 428065), (215, 390236), (220, 381367), (245, 342452), (301, 278740), (308, 272405), (362, 231770), (385, 217924), (430, 195118), (473, 177380), (490, 171226), (539, 155660), (602, 139370), (724, 115885), (770, 108962), (860, 97559), (905, 92708), (946, 88690), (980, 85613), (1078, 77830), (1204, 69685), (1267, 66220), (1505, 55748), (1540, 54481), (1810, 46354), (1892, 44345), (1991, 42140), (2107, 39820), (2156, 38915), (2365, 35476), (2534, 33110), (2695, 31132), (3010, 27874), (3311, 25340), (3620, 23177), (3982, 21070), (4214, 19910), (4730, 17738), (5068, 16555), (5390, 15566), (6020, 13937), (6335, 13244), (6622, 12670), (7783, 10780), (7964, 10535), (8428, 9955), (8869, 9460)]