320289916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{30319}}^1$

素因数の和:30481

約数の個数: 24

約数和(自身を含む): 594272000

約数和(自身を除く): 273982084

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 556, 2641, 5282, 10564, 30319, 60638, 121276, 576061, 1152122, 2304244, 4214341, 8428682, 16857364, 80072479, 160144958, 320289916]

約数ペア:

[(1, 320289916), (2, 160144958), (4, 80072479), (19, 16857364), (38, 8428682), (76, 4214341), (139, 2304244), (278, 1152122), (556, 576061), (2641, 121276), (5282, 60638), (10564, 30319)]