889744340

素因数分解:

$2^2\times 5^1\times {\mathrm{44487217}}^1$

素因数の和:44487226

約数の個数: 12

約数和(自身を含む): 1868463156

約数和(自身を除く): 978718816

約数列:

[1, 2, 4, 5, 10, 20, 44487217, 88974434, 177948868, 222436085, 444872170, 889744340]

約数ペア:

[(1, 889744340), (2, 444872170), (4, 222436085), (5, 177948868), (10, 88974434), (20, 44487217)]