3285940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{479}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 8064000

約数和(自身を除く): 4778060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 479, 490, 686, 958, 980, 1372, 1715, 1916, 2395, 3353, 3430, 4790, 6706, 6860, 9580, 13412, 16765, 23471, 33530, 46942, 67060, 93884, 117355, 164297, 234710, 328594, 469420, 657188, 821485, 1642970, 3285940]

約数ペア:

[(1, 3285940), (2, 1642970), (4, 821485), (5, 657188), (7, 469420), (10, 328594), (14, 234710), (20, 164297), (28, 117355), (35, 93884), (49, 67060), (70, 46942), (98, 33530), (140, 23471), (196, 16765), (245, 13412), (343, 9580), (479, 6860), (490, 6706), (686, 4790), (958, 3430), (980, 3353), (1372, 2395), (1715, 1916)]