220880780

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{57223}}^1$

素因数の和:57425

約数の個数: 24

約数和(自身を含む): 466261152

約数和(自身を除く): 245380372

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 57223, 114446, 228892, 286115, 572230, 1144460, 11044039, 22088078, 44176156, 55220195, 110440390, 220880780]

約数ペア:

[(1, 220880780), (2, 110440390), (4, 55220195), (5, 44176156), (10, 22088078), (20, 11044039), (193, 1144460), (386, 572230), (772, 286115), (965, 228892), (1930, 114446), (3860, 57223)]