142714520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274451}}^1$

素因数の和:274475

約数の個数: 32

約数和(自身を含む): 345809520

約数和(自身を除く): 203095000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 274451, 548902, 1097804, 1372255, 2195608, 2744510, 3567863, 5489020, 7135726, 10978040, 14271452, 17839315, 28542904, 35678630, 71357260, 142714520]

約数ペア:

[(1, 142714520), (2, 71357260), (4, 35678630), (5, 28542904), (8, 17839315), (10, 14271452), (13, 10978040), (20, 7135726), (26, 5489020), (40, 3567863), (52, 2744510), (65, 2195608), (104, 1372255), (130, 1097804), (260, 548902), (520, 274451)]