2220290470

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1127051}}^1$

素因数の和:1127255

約数の個数: 16

約数和(自身を含む): 4016813328

約数和(自身を除く): 1796522858

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 1127051, 2254102, 5635255, 11270510, 222029047, 444058094, 1110145235, 2220290470]

約数ペア:

[(1, 2220290470), (2, 1110145235), (5, 444058094), (10, 222029047), (197, 11270510), (394, 5635255), (985, 2254102), (1970, 1127051)]