77648620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{554633}}^1$

素因数の和:554649

約数の個数: 24

約数和(自身を含む): 186357024

約数和(自身を除く): 108708404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 554633, 1109266, 2218532, 2773165, 3882431, 5546330, 7764862, 11092660, 15529724, 19412155, 38824310, 77648620]

約数ペア:

[(1, 77648620), (2, 38824310), (4, 19412155), (5, 15529724), (7, 11092660), (10, 7764862), (14, 5546330), (20, 3882431), (28, 2773165), (35, 2218532), (70, 1109266), (140, 554633)]