201318721940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1437990871}}^1$

素因数の和:1437990887

約数の個数: 24

約数和(自身を含む): 483164932992

約数和(自身を除く): 281846211052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1437990871, 2875981742, 5751963484, 7189954355, 10065936097, 14379908710, 20131872194, 28759817420, 40263744388, 50329680485, 100659360970, 201318721940]

約数ペア:

[(1, 201318721940), (2, 100659360970), (4, 50329680485), (5, 40263744388), (7, 28759817420), (10, 20131872194), (14, 14379908710), (20, 10065936097), (28, 7189954355), (35, 5751963484), (70, 2875981742), (140, 1437990871)]