747020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 1608768

約数和(自身を除く): 861748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 911, 1822, 3644, 4555, 9110, 18220, 37351, 74702, 149404, 186755, 373510, 747020]

約数ペア:

[(1, 747020), (2, 373510), (4, 186755), (5, 149404), (10, 74702), (20, 37351), (41, 18220), (82, 9110), (164, 4555), (205, 3644), (410, 1822), (820, 911)]