127538577980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{579720809}}^1$

素因数の和:579720829

約数の個数: 24

約数和(自身を含む): 292179288240

約数和(自身を除く): 164640710260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 579720809, 1159441618, 2318883236, 2898604045, 5797208090, 6376928899, 11594416180, 12753857798, 25507715596, 31884644495, 63769288990, 127538577980]

約数ペア:

[(1, 127538577980), (2, 63769288990), (4, 31884644495), (5, 25507715596), (10, 12753857798), (11, 11594416180), (20, 6376928899), (22, 5797208090), (44, 2898604045), (55, 2318883236), (110, 1159441618), (220, 579720809)]