8740490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 17297280

約数和(自身を除く): 8556790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 439, 878, 905, 1810, 1991, 2195, 3982, 4390, 4829, 9658, 9955, 19910, 24145, 48290, 79459, 158918, 397295, 794590, 874049, 1748098, 4370245, 8740490]

約数ペア:

[(1, 8740490), (2, 4370245), (5, 1748098), (10, 874049), (11, 794590), (22, 397295), (55, 158918), (110, 79459), (181, 48290), (362, 24145), (439, 19910), (878, 9955), (905, 9658), (1810, 4829), (1991, 4390), (2195, 3982)]