12278364140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1789849}}^1$

素因数の和:1789879

約数の個数: 48

約数和(自身を含む): 30069480000

約数和(自身を除く): 17791115860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 1789849, 3579698, 7159396, 8949245, 12528943, 17898490, 25057886, 35796980, 50115772, 62644715, 87702601, 125289430, 175405202, 250578860, 350810404, 438513005, 613918207, 877026010, 1227836414, 1754052020, 2455672828, 3069591035, 6139182070, 12278364140]

約数ペア:

[(1, 12278364140), (2, 6139182070), (4, 3069591035), (5, 2455672828), (7, 1754052020), (10, 1227836414), (14, 877026010), (20, 613918207), (28, 438513005), (35, 350810404), (49, 250578860), (70, 175405202), (98, 125289430), (140, 87702601), (196, 62644715), (245, 50115772), (343, 35796980), (490, 25057886), (686, 17898490), (980, 12528943), (1372, 8949245), (1715, 7159396), (3430, 3579698), (6860, 1789849)]