324820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 693000

約数和(自身を除く): 368180

約数列:

[1, 2, 4, 5, 10, 20, 109, 149, 218, 298, 436, 545, 596, 745, 1090, 1490, 2180, 2980, 16241, 32482, 64964, 81205, 162410, 324820]

約数ペア:

[(1, 324820), (2, 162410), (4, 81205), (5, 64964), (10, 32482), (20, 16241), (109, 2980), (149, 2180), (218, 1490), (298, 1090), (436, 745), (545, 596)]