2641660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{18869}}^1$

素因数の和:18885

約数の個数: 24

約数和(自身を含む): 6340320

約数和(自身を除く): 3698660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 18869, 37738, 75476, 94345, 132083, 188690, 264166, 377380, 528332, 660415, 1320830, 2641660]

約数ペア:

[(1, 2641660), (2, 1320830), (4, 660415), (5, 528332), (7, 377380), (10, 264166), (14, 188690), (20, 132083), (28, 94345), (35, 75476), (70, 37738), (140, 18869)]