3905020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{27893}}^1$

素因数の和:27909

約数の個数: 24

約数和(自身を含む): 9372384

約数和(自身を除く): 5467364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 27893, 55786, 111572, 139465, 195251, 278930, 390502, 557860, 781004, 976255, 1952510, 3905020]

約数ペア:

[(1, 3905020), (2, 1952510), (4, 976255), (5, 781004), (7, 557860), (10, 390502), (14, 278930), (20, 195251), (28, 139465), (35, 111572), (70, 55786), (140, 27893)]