149875280

素因数分解:

$2^4\times 5^1\times {\mathrm{1873441}}^1$

素因数の和:1873454

約数の個数: 20

約数和(自身を含む): 348460212

約数和(自身を除く): 198584932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1873441, 3746882, 7493764, 9367205, 14987528, 18734410, 29975056, 37468820, 74937640, 149875280]

約数ペア:

[(1, 149875280), (2, 74937640), (4, 37468820), (5, 29975056), (8, 18734410), (10, 14987528), (16, 9367205), (20, 7493764), (40, 3746882), (80, 1873441)]