2745260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19609}}^1$

素因数の和:19625

約数の個数: 24

約数和(自身を含む): 6588960

約数和(自身を除く): 3843700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19609, 39218, 78436, 98045, 137263, 196090, 274526, 392180, 549052, 686315, 1372630, 2745260]

約数ペア:

[(1, 2745260), (2, 1372630), (4, 686315), (5, 549052), (7, 392180), (10, 274526), (14, 196090), (20, 137263), (28, 98045), (35, 78436), (70, 39218), (140, 19609)]