675580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1987}}^1$

素因数の和:2013

約数の個数: 24

約数和(自身を含む): 1502928

約数和(自身を除く): 827348

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1987, 3974, 7948, 9935, 19870, 33779, 39740, 67558, 135116, 168895, 337790, 675580]

約数ペア:

[(1, 675580), (2, 337790), (4, 168895), (5, 135116), (10, 67558), (17, 39740), (20, 33779), (34, 19870), (68, 9935), (85, 7948), (170, 3974), (340, 1987)]