3864140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{3943}}^1$

素因数の和:3966

約数の個数: 36

約数和(自身を含む): 9441936

約数和(自身を除く): 5577796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 3943, 7886, 15772, 19715, 27601, 39430, 55202, 78860, 110404, 138005, 193207, 276010, 386414, 552020, 772828, 966035, 1932070, 3864140]

約数ペア:

[(1, 3864140), (2, 1932070), (4, 966035), (5, 772828), (7, 552020), (10, 386414), (14, 276010), (20, 193207), (28, 138005), (35, 110404), (49, 78860), (70, 55202), (98, 39430), (140, 27601), (196, 19715), (245, 15772), (490, 7886), (980, 3943)]