438467140

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{31727}}^1$

素因数の和:32427

約数の個数: 24

約数和(自身を含む): 922142592

約数和(自身を除く): 483675452

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 13820, 31727, 63454, 126908, 158635, 317270, 634540, 21923357, 43846714, 87693428, 109616785, 219233570, 438467140]

約数ペア:

[(1, 438467140), (2, 219233570), (4, 109616785), (5, 87693428), (10, 43846714), (20, 21923357), (691, 634540), (1382, 317270), (2764, 158635), (3455, 126908), (6910, 63454), (13820, 31727)]