30705140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{80803}}^1$

素因数の和:80831

約数の個数: 24

約数和(自身を含む): 67875360

約数和(自身を除く): 37170220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 80803, 161606, 323212, 404015, 808030, 1535257, 1616060, 3070514, 6141028, 7676285, 15352570, 30705140]

約数ペア:

[(1, 30705140), (2, 15352570), (4, 7676285), (5, 6141028), (10, 3070514), (19, 1616060), (20, 1535257), (38, 808030), (76, 404015), (95, 323212), (190, 161606), (380, 80803)]