289290460

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{27763}}^1$

素因数の和:28293

約数の個数: 24

約数和(自身を含む): 608697936

約数和(自身を除く): 319407476

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 27763, 55526, 111052, 138815, 277630, 555260, 14464523, 28929046, 57858092, 72322615, 144645230, 289290460]

約数ペア:

[(1, 289290460), (2, 144645230), (4, 72322615), (5, 57858092), (10, 28929046), (20, 14464523), (521, 555260), (1042, 277630), (2084, 138815), (2605, 111052), (5210, 55526), (10420, 27763)]