31318870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12379}}^1$

素因数の和:12420

約数の個数: 32

約数和(自身を含む): 64177920

約数和(自身を除く): 32859050

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 12379, 24758, 61895, 123790, 136169, 272338, 284717, 569434, 680845, 1361690, 1423585, 2847170, 3131887, 6263774, 15659435, 31318870]

約数ペア:

[(1, 31318870), (2, 15659435), (5, 6263774), (10, 3131887), (11, 2847170), (22, 1423585), (23, 1361690), (46, 680845), (55, 569434), (110, 284717), (115, 272338), (230, 136169), (253, 123790), (506, 61895), (1265, 24758), (2530, 12379)]