168235810

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:966

約数の個数: 32

約数和(自身を含む): 307638000

約数和(自身を除く): 139402190

約数列:

[1, 2, 5, 10, 89, 178, 421, 445, 449, 842, 890, 898, 2105, 2245, 4210, 4490, 37469, 39961, 74938, 79922, 187345, 189029, 199805, 374690, 378058, 399610, 945145, 1890290, 16823581, 33647162, 84117905, 168235810]

約数ペア:

[(1, 168235810), (2, 84117905), (5, 33647162), (10, 16823581), (89, 1890290), (178, 945145), (421, 399610), (445, 378058), (449, 374690), (842, 199805), (890, 189029), (898, 187345), (2105, 79922), (2245, 74938), (4210, 39961), (4490, 37469)]