315878060

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{35977}}^1$

素因数の和:36425

約数の個数: 24

約数和(自身を含む): 664873440

約数和(自身を除く): 348995380

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 35977, 71954, 143908, 179885, 359770, 719540, 15793903, 31587806, 63175612, 78969515, 157939030, 315878060]

約数ペア:

[(1, 315878060), (2, 157939030), (4, 78969515), (5, 63175612), (10, 31587806), (20, 15793903), (439, 719540), (878, 359770), (1756, 179885), (2195, 143908), (4390, 71954), (8780, 35977)]