378860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 838320

約数和(自身を除く): 459460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 997, 1994, 3988, 4985, 9970, 18943, 19940, 37886, 75772, 94715, 189430, 378860]

約数ペア:

[(1, 378860), (2, 189430), (4, 94715), (5, 75772), (10, 37886), (19, 19940), (20, 18943), (38, 9970), (76, 4985), (95, 3988), (190, 1994), (380, 997)]