256444870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{3637}}^1$

素因数の和:4296

約数の個数: 32

約数和(自身を含む): 504488736

約数和(自身を除く): 248043866

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 641, 1282, 3205, 3637, 6410, 7051, 7274, 14102, 18185, 35255, 36370, 40007, 70510, 80014, 200035, 400070, 2331317, 4662634, 11656585, 23313170, 25644487, 51288974, 128222435, 256444870]

約数ペア:

[(1, 256444870), (2, 128222435), (5, 51288974), (10, 25644487), (11, 23313170), (22, 11656585), (55, 4662634), (110, 2331317), (641, 400070), (1282, 200035), (3205, 80014), (3637, 70510), (6410, 40007), (7051, 36370), (7274, 35255), (14102, 18185)]