81874010

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{54949}}^1$

素因数の和:55105

約数の個数: 16

約数和(自身を含む): 148365000

約数和(自身を除く): 66490990

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 54949, 109898, 274745, 549490, 8187401, 16374802, 40937005, 81874010]

約数ペア:

[(1, 81874010), (2, 40937005), (5, 16374802), (10, 8187401), (149, 549490), (298, 274745), (745, 109898), (1490, 54949)]