172926490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{3581}}^1$

素因数の和:4038

約数の個数: 32

約数和(自身を含む): 340433280

約数和(自身を除く): 167506790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 439, 878, 2195, 3581, 4390, 4829, 7162, 9658, 17905, 24145, 35810, 39391, 48290, 78782, 196955, 393910, 1572059, 3144118, 7860295, 15720590, 17292649, 34585298, 86463245, 172926490]

約数ペア:

[(1, 172926490), (2, 86463245), (5, 34585298), (10, 17292649), (11, 15720590), (22, 7860295), (55, 3144118), (110, 1572059), (439, 393910), (878, 196955), (2195, 78782), (3581, 48290), (4390, 39391), (4829, 35810), (7162, 24145), (9658, 17905)]