156729260

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{39779}}^1$

素因数の和:39985

約数の個数: 24

約数和(自身を含む): 330810480

約数和(自身を除く): 174081220

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 39779, 79558, 159116, 198895, 397790, 795580, 7836463, 15672926, 31345852, 39182315, 78364630, 156729260]

約数ペア:

[(1, 156729260), (2, 78364630), (4, 39182315), (5, 31345852), (10, 15672926), (20, 7836463), (197, 795580), (394, 397790), (788, 198895), (985, 159116), (1970, 79558), (3940, 39779)]