253660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1153}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 581616

約数和(自身を除く): 327956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1153, 2306, 4612, 5765, 11530, 12683, 23060, 25366, 50732, 63415, 126830, 253660]

約数ペア:

[(1, 253660), (2, 126830), (4, 63415), (5, 50732), (10, 25366), (11, 23060), (20, 12683), (22, 11530), (44, 5765), (55, 4612), (110, 2306), (220, 1153)]