1678180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11987}}^1$

素因数の和:12003

約数の個数: 24

約数和(自身を含む): 4027968

約数和(自身を除く): 2349788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11987, 23974, 47948, 59935, 83909, 119870, 167818, 239740, 335636, 419545, 839090, 1678180]

約数ペア:

[(1, 1678180), (2, 839090), (4, 419545), (5, 335636), (7, 239740), (10, 167818), (14, 119870), (20, 83909), (28, 59935), (35, 47948), (70, 23974), (140, 11987)]