157440370

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{221747}}^1$

素因数の和:221825

約数の個数: 16

約数和(自身を含む): 287385408

約数和(自身を除く): 129945038

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 221747, 443494, 1108735, 2217470, 15744037, 31488074, 78720185, 157440370]

約数ペア:

[(1, 157440370), (2, 78720185), (5, 31488074), (10, 15744037), (71, 2217470), (142, 1108735), (355, 443494), (710, 221747)]