143421820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{247279}}^1$

素因数の和:247317

約数の個数: 24

約数和(自身を含む): 311572800

約数和(自身を除く): 168150980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 247279, 494558, 989116, 1236395, 2472790, 4945580, 7171091, 14342182, 28684364, 35855455, 71710910, 143421820]

約数ペア:

[(1, 143421820), (2, 71710910), (4, 35855455), (5, 28684364), (10, 14342182), (20, 7171091), (29, 4945580), (58, 2472790), (116, 1236395), (145, 989116), (290, 494558), (580, 247279)]