290640290

素因数分解:

$2^1\times 5^1\times {\mathrm{4391}}^1\times {\mathrm{6619}}^1$

素因数の和:11017

約数の個数: 16

約数和(自身を含む): 523350720

約数和(自身を除く): 232710430

約数列:

[1, 2, 5, 10, 4391, 6619, 8782, 13238, 21955, 33095, 43910, 66190, 29064029, 58128058, 145320145, 290640290]

約数ペア:

[(1, 290640290), (2, 145320145), (5, 58128058), (10, 29064029), (4391, 66190), (6619, 43910), (8782, 33095), (13238, 21955)]