213048140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{560653}}^1$

素因数の和:560681

約数の個数: 24

約数和(自身を含む): 470949360

約数和(自身を除く): 257901220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 560653, 1121306, 2242612, 2803265, 5606530, 10652407, 11213060, 21304814, 42609628, 53262035, 106524070, 213048140]

約数ペア:

[(1, 213048140), (2, 106524070), (4, 53262035), (5, 42609628), (10, 21304814), (19, 11213060), (20, 10652407), (38, 5606530), (76, 2803265), (95, 2242612), (190, 1121306), (380, 560653)]