76980820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{549863}}^1$

素因数の和:549879

約数の個数: 24

約数和(自身を含む): 184754304

約数和(自身を除く): 107773484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 549863, 1099726, 2199452, 2749315, 3849041, 5498630, 7698082, 10997260, 15396164, 19245205, 38490410, 76980820]

約数ペア:

[(1, 76980820), (2, 38490410), (4, 19245205), (5, 15396164), (7, 10997260), (10, 7698082), (14, 5498630), (20, 3849041), (28, 2749315), (35, 2199452), (70, 1099726), (140, 549863)]