147705940

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{16823}}^1$

素因数の和:17271

約数の個数: 24

約数和(自身を含む): 310907520

約数和(自身を除く): 163201580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 16823, 33646, 67292, 84115, 168230, 336460, 7385297, 14770594, 29541188, 36926485, 73852970, 147705940]

約数ペア:

[(1, 147705940), (2, 73852970), (4, 36926485), (5, 29541188), (10, 14770594), (20, 7385297), (439, 336460), (878, 168230), (1756, 84115), (2195, 67292), (4390, 33646), (8780, 16823)]