30285260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{28571}}^1$

素因数の和:28633

約数の個数: 24

約数和(自身を含む): 64801296

約数和(自身を除く): 34516036

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 28571, 57142, 114284, 142855, 285710, 571420, 1514263, 3028526, 6057052, 7571315, 15142630, 30285260]

約数ペア:

[(1, 30285260), (2, 15142630), (4, 7571315), (5, 6057052), (10, 3028526), (20, 1514263), (53, 571420), (106, 285710), (212, 142855), (265, 114284), (530, 57142), (1060, 28571)]