1948780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{701}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 4127760

約数和(自身を除く): 2178980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 701, 1390, 1402, 2780, 2804, 3505, 7010, 14020, 97439, 194878, 389756, 487195, 974390, 1948780]

約数ペア:

[(1, 1948780), (2, 974390), (4, 487195), (5, 389756), (10, 194878), (20, 97439), (139, 14020), (278, 7010), (556, 3505), (695, 2804), (701, 2780), (1390, 1402)]