203760340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1455431}}^1$

素因数の和:1455447

約数の個数: 24

約数和(自身を含む): 489025152

約数和(自身を除く): 285264812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1455431, 2910862, 5821724, 7277155, 10188017, 14554310, 20376034, 29108620, 40752068, 50940085, 101880170, 203760340]

約数ペア:

[(1, 203760340), (2, 101880170), (4, 50940085), (5, 40752068), (7, 29108620), (10, 20376034), (14, 14554310), (20, 10188017), (28, 7277155), (35, 5821724), (70, 2910862), (140, 1455431)]