123078620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{879133}}^1$

素因数の和:879149

約数の個数: 24

約数和(自身を含む): 295389024

約数和(自身を除く): 172310404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 879133, 1758266, 3516532, 4395665, 6153931, 8791330, 12307862, 17582660, 24615724, 30769655, 61539310, 123078620]

約数ペア:

[(1, 123078620), (2, 61539310), (4, 30769655), (5, 24615724), (7, 17582660), (10, 12307862), (14, 8791330), (20, 6153931), (28, 4395665), (35, 3516532), (70, 1758266), (140, 879133)]