190070780

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{18671}}^1$

素因数の和:19189

約数の個数: 24

約数和(自身を含む): 399954240

約数和(自身を除く): 209883460

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 18671, 37342, 74684, 93355, 186710, 373420, 9503539, 19007078, 38014156, 47517695, 95035390, 190070780]

約数ペア:

[(1, 190070780), (2, 95035390), (4, 47517695), (5, 38014156), (10, 19007078), (20, 9503539), (509, 373420), (1018, 186710), (2036, 93355), (2545, 74684), (5090, 37342), (10180, 18671)]