268779560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{959927}}^1$

素因数の和:959945

約数の個数: 32

約数和(自身を含む): 691148160

約数和(自身を除く): 422368600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 959927, 1919854, 3839708, 4799635, 6719489, 7679416, 9599270, 13438978, 19198540, 26877956, 33597445, 38397080, 53755912, 67194890, 134389780, 268779560]

約数ペア:

[(1, 268779560), (2, 134389780), (4, 67194890), (5, 53755912), (7, 38397080), (8, 33597445), (10, 26877956), (14, 19198540), (20, 13438978), (28, 9599270), (35, 7679416), (40, 6719489), (56, 4799635), (70, 3839708), (140, 1919854), (280, 959927)]