30821770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{440311}}^1$

素因数の和:440325

約数の個数: 16

約数和(自身を含む): 63404928

約数和(自身を除く): 32583158

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 440311, 880622, 2201555, 3082177, 4403110, 6164354, 15410885, 30821770]

約数ペア:

[(1, 30821770), (2, 15410885), (5, 6164354), (7, 4403110), (10, 3082177), (14, 2201555), (35, 880622), (70, 440311)]