68851060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{443}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 152913600

約数和(自身を除く): 84062540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 409, 443, 818, 886, 1636, 1772, 2045, 2215, 4090, 4430, 7771, 8180, 8417, 8860, 15542, 16834, 31084, 33668, 38855, 42085, 77710, 84170, 155420, 168340, 181187, 362374, 724748, 905935, 1811870, 3442553, 3623740, 6885106, 13770212, 17212765, 34425530, 68851060]

約数ペア:

[(1, 68851060), (2, 34425530), (4, 17212765), (5, 13770212), (10, 6885106), (19, 3623740), (20, 3442553), (38, 1811870), (76, 905935), (95, 724748), (190, 362374), (380, 181187), (409, 168340), (443, 155420), (818, 84170), (886, 77710), (1636, 42085), (1772, 38855), (2045, 33668), (2215, 31084), (4090, 16834), (4430, 15542), (7771, 8860), (8180, 8417)]