556360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1987}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 1431360

約数和(自身を除く): 875000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1987, 3974, 7948, 9935, 13909, 15896, 19870, 27818, 39740, 55636, 69545, 79480, 111272, 139090, 278180, 556360]

約数ペア:

[(1, 556360), (2, 278180), (4, 139090), (5, 111272), (7, 79480), (8, 69545), (10, 55636), (14, 39740), (20, 27818), (28, 19870), (35, 15896), (40, 13909), (56, 9935), (70, 7948), (140, 3974), (280, 1987)]