30775640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109913}}^1$

素因数の和:109931

約数の個数: 32

約数和(自身を含む): 79138080

約数和(自身を除く): 48362440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109913, 219826, 439652, 549565, 769391, 879304, 1099130, 1538782, 2198260, 3077564, 3846955, 4396520, 6155128, 7693910, 15387820, 30775640]

約数ペア:

[(1, 30775640), (2, 15387820), (4, 7693910), (5, 6155128), (7, 4396520), (8, 3846955), (10, 3077564), (14, 2198260), (20, 1538782), (28, 1099130), (35, 879304), (40, 769391), (56, 549565), (70, 439652), (140, 219826), (280, 109913)]