1957940

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 4139520

約数和(自身を除く): 2181580

約数列:

[1, 2, 4, 5, 10, 20, 223, 439, 446, 878, 892, 1115, 1756, 2195, 2230, 4390, 4460, 8780, 97897, 195794, 391588, 489485, 978970, 1957940]

約数ペア:

[(1, 1957940), (2, 978970), (4, 489485), (5, 391588), (10, 195794), (20, 97897), (223, 8780), (439, 4460), (446, 4390), (878, 2230), (892, 2195), (1115, 1756)]