189156940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1351121}}^1$

素因数の和:1351137

約数の個数: 24

約数和(自身を含む): 453976992

約数和(自身を除く): 264820052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1351121, 2702242, 5404484, 6755605, 9457847, 13511210, 18915694, 27022420, 37831388, 47289235, 94578470, 189156940]

約数ペア:

[(1, 189156940), (2, 94578470), (4, 47289235), (5, 37831388), (7, 27022420), (10, 18915694), (14, 13511210), (20, 9457847), (28, 6755605), (35, 5404484), (70, 2702242), (140, 1351121)]