320416580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1456439}}^1$

素因数の和:1456459

約数の個数: 24

約数和(自身を含む): 734045760

約数和(自身を除く): 413629180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1456439, 2912878, 5825756, 7282195, 14564390, 16020829, 29128780, 32041658, 64083316, 80104145, 160208290, 320416580]

約数ペア:

[(1, 320416580), (2, 160208290), (4, 80104145), (5, 64083316), (10, 32041658), (11, 29128780), (20, 16020829), (22, 14564390), (44, 7282195), (55, 5825756), (110, 2912878), (220, 1456439)]