1229480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4391}}^1$

素因数の和:4409

約数の個数: 32

約数和(自身を含む): 3162240

約数和(自身を除く): 1932760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4391, 8782, 17564, 21955, 30737, 35128, 43910, 61474, 87820, 122948, 153685, 175640, 245896, 307370, 614740, 1229480]

約数ペア:

[(1, 1229480), (2, 614740), (4, 307370), (5, 245896), (7, 175640), (8, 153685), (10, 122948), (14, 87820), (20, 61474), (28, 43910), (35, 35128), (40, 30737), (56, 21955), (70, 17564), (140, 8782), (280, 4391)]