7728280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{3943}}^1$

素因数の和:3968

約数の個数: 48

約数和(自身を含む): 20232720

約数和(自身を除く): 12504440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 3943, 7886, 15772, 19715, 27601, 31544, 39430, 55202, 78860, 110404, 138005, 157720, 193207, 220808, 276010, 386414, 552020, 772828, 966035, 1104040, 1545656, 1932070, 3864140, 7728280]

約数ペア:

[(1, 7728280), (2, 3864140), (4, 1932070), (5, 1545656), (7, 1104040), (8, 966035), (10, 772828), (14, 552020), (20, 386414), (28, 276010), (35, 220808), (40, 193207), (49, 157720), (56, 138005), (70, 110404), (98, 78860), (140, 55202), (196, 39430), (245, 31544), (280, 27601), (392, 19715), (490, 15772), (980, 7886), (1960, 3943)]