268804520

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{13799}}^1$

素因数の和:14297

約数の個数: 32

約数和(自身を含む): 606096000

約数和(自身を除く): 337291480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 9740, 13799, 19480, 27598, 55196, 68995, 110392, 137990, 275980, 551960, 6720113, 13440226, 26880452, 33600565, 53760904, 67201130, 134402260, 268804520]

約数ペア:

[(1, 268804520), (2, 134402260), (4, 67201130), (5, 53760904), (8, 33600565), (10, 26880452), (20, 13440226), (40, 6720113), (487, 551960), (974, 275980), (1948, 137990), (2435, 110392), (3896, 68995), (4870, 55196), (9740, 27598), (13799, 19480)]