137503940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{982171}}^1$

素因数の和:982187

約数の個数: 24

約数和(自身を含む): 330009792

約数和(自身を除く): 192505852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 982171, 1964342, 3928684, 4910855, 6875197, 9821710, 13750394, 19643420, 27500788, 34375985, 68751970, 137503940]

約数ペア:

[(1, 137503940), (2, 68751970), (4, 34375985), (5, 27500788), (7, 19643420), (10, 13750394), (14, 9821710), (20, 6875197), (28, 4910855), (35, 3928684), (70, 1964342), (140, 982171)]