30398860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79997}}^1$

素因数の和:80025

約数の個数: 24

約数和(自身を含む): 67198320

約数和(自身を除く): 36799460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 79997, 159994, 319988, 399985, 799970, 1519943, 1599940, 3039886, 6079772, 7599715, 15199430, 30398860]

約数ペア:

[(1, 30398860), (2, 15199430), (4, 7599715), (5, 6079772), (10, 3039886), (19, 1599940), (20, 1519943), (38, 799970), (76, 399985), (95, 319988), (190, 159994), (380, 79997)]