520075780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3714827}}^1$

素因数の和:3714843

約数の個数: 24

約数和(自身を含む): 1248182208

約数和(自身を除く): 728106428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3714827, 7429654, 14859308, 18574135, 26003789, 37148270, 52007578, 74296540, 104015156, 130018945, 260037890, 520075780]

約数ペア:

[(1, 520075780), (2, 260037890), (4, 130018945), (5, 104015156), (7, 74296540), (10, 52007578), (14, 37148270), (20, 26003789), (28, 18574135), (35, 14859308), (70, 7429654), (140, 3714827)]