16809905660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{178487}}^1$

素因数の和:178790

約数の個数: 48

約数和(自身を含む): 37512465984

約数和(自身を除く): 20702560324

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 277, 340, 554, 1108, 1385, 2770, 4709, 5540, 9418, 18836, 23545, 47090, 94180, 178487, 356974, 713948, 892435, 1784870, 3034279, 3569740, 6068558, 12137116, 15171395, 30342790, 49440899, 60685580, 98881798, 197763596, 247204495, 494408990, 840495283, 988817980, 1680990566, 3361981132, 4202476415, 8404952830, 16809905660]

約数ペア:

[(1, 16809905660), (2, 8404952830), (4, 4202476415), (5, 3361981132), (10, 1680990566), (17, 988817980), (20, 840495283), (34, 494408990), (68, 247204495), (85, 197763596), (170, 98881798), (277, 60685580), (340, 49440899), (554, 30342790), (1108, 15171395), (1385, 12137116), (2770, 6068558), (4709, 3569740), (5540, 3034279), (9418, 1784870), (18836, 892435), (23545, 713948), (47090, 356974), (94180, 178487)]