3090781420

素因数分解:

$2^2\times 5^1\times {\mathrm{154539071}}^1$

素因数の和:154539080

約数の個数: 12

約数和(自身を含む): 6490641024

約数和(自身を除く): 3399859604

約数列:

[1, 2, 4, 5, 10, 20, 154539071, 309078142, 618156284, 772695355, 1545390710, 3090781420]

約数ペア:

[(1, 3090781420), (2, 1545390710), (4, 772695355), (5, 618156284), (10, 309078142), (20, 154539071)]