438140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 969360

約数和(自身を除く): 531220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1153, 2306, 4612, 5765, 11530, 21907, 23060, 43814, 87628, 109535, 219070, 438140]

約数ペア:

[(1, 438140), (2, 219070), (4, 109535), (5, 87628), (10, 43814), (19, 23060), (20, 21907), (38, 11530), (76, 5765), (95, 4612), (190, 2306), (380, 1153)]