1245020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{8893}}^1$

素因数の和:8909

約数の個数: 24

約数和(自身を含む): 2988384

約数和(自身を除く): 1743364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8893, 17786, 35572, 44465, 62251, 88930, 124502, 177860, 249004, 311255, 622510, 1245020]

約数ペア:

[(1, 1245020), (2, 622510), (4, 311255), (5, 249004), (7, 177860), (10, 124502), (14, 88930), (20, 62251), (28, 44465), (35, 35572), (70, 17786), (140, 8893)]