3989020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28493}}^1$

素因数の和:28509

約数の個数: 24

約数和(自身を含む): 9573984

約数和(自身を除く): 5584964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28493, 56986, 113972, 142465, 199451, 284930, 398902, 569860, 797804, 997255, 1994510, 3989020]

約数ペア:

[(1, 3989020), (2, 1994510), (4, 997255), (5, 797804), (7, 569860), (10, 398902), (14, 284930), (20, 199451), (28, 142465), (35, 113972), (70, 56986), (140, 28493)]