219469870

素因数分解:

$2^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{79231}}^1$

素因数の和:79515

約数の個数: 16

約数和(自身を含む): 396476928

約数和(自身を除く): 177007058

約数列:

[1, 2, 5, 10, 277, 554, 1385, 2770, 79231, 158462, 396155, 792310, 21946987, 43893974, 109734935, 219469870]

約数ペア:

[(1, 219469870), (2, 109734935), (5, 43893974), (10, 21946987), (277, 792310), (554, 396155), (1385, 158462), (2770, 79231)]