27820030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397429}}^1$

素因数の和:397443

約数の個数: 16

約数和(自身を含む): 57229920

約数和(自身を除く): 29409890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397429, 794858, 1987145, 2782003, 3974290, 5564006, 13910015, 27820030]

約数ペア:

[(1, 27820030), (2, 13910015), (5, 5564006), (7, 3974290), (10, 2782003), (14, 1987145), (35, 794858), (70, 397429)]