2649640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9463}}^1$

素因数の和:9481

約数の個数: 32

約数和(自身を含む): 6814080

約数和(自身を除く): 4164440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9463, 18926, 37852, 47315, 66241, 75704, 94630, 132482, 189260, 264964, 331205, 378520, 529928, 662410, 1324820, 2649640]

約数ペア:

[(1, 2649640), (2, 1324820), (4, 662410), (5, 529928), (7, 378520), (8, 331205), (10, 264964), (14, 189260), (20, 132482), (28, 94630), (35, 75704), (40, 66241), (56, 47315), (70, 37852), (140, 18926), (280, 9463)]