28305890

素因数分解:

$2^1\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{1901}}^1$

素因数の和:3397

約数の個数: 16

約数和(自身を含む): 51011640

約数和(自身を除く): 22705750

約数列:

[1, 2, 5, 10, 1489, 1901, 2978, 3802, 7445, 9505, 14890, 19010, 2830589, 5661178, 14152945, 28305890]

約数ペア:

[(1, 28305890), (2, 14152945), (5, 5661178), (10, 2830589), (1489, 19010), (1901, 14890), (2978, 9505), (3802, 7445)]