340265884

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{87427}}^1$

素因数の和:87577

約数の個数: 24

約数和(自身を含む): 685435520

約数和(自身を除く): 345169636

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 87427, 174854, 349708, 611989, 1223978, 2447956, 12152353, 24304706, 48609412, 85066471, 170132942, 340265884]

約数ペア:

[(1, 340265884), (2, 170132942), (4, 85066471), (7, 48609412), (14, 24304706), (28, 12152353), (139, 2447956), (278, 1223978), (556, 611989), (973, 349708), (1946, 174854), (3892, 87427)]