229813640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{820763}}^1$

素因数の和:820781

約数の個数: 32

約数和(自身を含む): 590950080

約数和(自身を除く): 361136440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 820763, 1641526, 3283052, 4103815, 5745341, 6566104, 8207630, 11490682, 16415260, 22981364, 28726705, 32830520, 45962728, 57453410, 114906820, 229813640]

約数ペア:

[(1, 229813640), (2, 114906820), (4, 57453410), (5, 45962728), (7, 32830520), (8, 28726705), (10, 22981364), (14, 16415260), (20, 11490682), (28, 8207630), (35, 6566104), (40, 5745341), (56, 4103815), (70, 3283052), (140, 1641526), (280, 820763)]