289350380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1315229}}^1$

素因数の和:1315249

約数の個数: 24

約数和(自身を含む): 662875920

約数和(自身を除く): 373525540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1315229, 2630458, 5260916, 6576145, 13152290, 14467519, 26304580, 28935038, 57870076, 72337595, 144675190, 289350380]

約数ペア:

[(1, 289350380), (2, 144675190), (4, 72337595), (5, 57870076), (10, 28935038), (11, 26304580), (20, 14467519), (22, 13152290), (44, 6576145), (55, 5260916), (110, 2630458), (220, 1315229)]