388342280

素因数分解:

$2^3\times 5^1\times {\mathrm{9708557}}^1$

素因数の和:9708568

約数の個数: 16

約数和(自身を含む): 873770220

約数和(自身を除く): 485427940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9708557, 19417114, 38834228, 48542785, 77668456, 97085570, 194171140, 388342280]

約数ペア:

[(1, 388342280), (2, 194171140), (4, 97085570), (5, 77668456), (8, 48542785), (10, 38834228), (20, 19417114), (40, 9708557)]