71255.000000

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1987}}^1$

素因数の和:2003

約数の個数: 24

約数和(自身を含む): 667968

約数和(自身を除く): 389788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1987, 3974, 7948, 9935, 13909, 19870, 27818, 39740, 55636, 69545, 139090, 278180]

約数ペア:

[(1, 278180), (2, 139090), (4, 69545), (5, 55636), (7, 39740), (10, 27818), (14, 19870), (20, 13909), (28, 9935), (35, 7948), (70, 3974), (140, 1987)]