16868900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3923}}^1$

素因数の和:3980

約数の個数: 36

約数和(自身を含む): 37466352

約数和(自身を除く): 20597452

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 3923, 4300, 7846, 15692, 19615, 39230, 78460, 98075, 168689, 196150, 337378, 392300, 674756, 843445, 1686890, 3373780, 4217225, 8434450, 16868900]

約数ペア:

[(1, 16868900), (2, 8434450), (4, 4217225), (5, 3373780), (10, 1686890), (20, 843445), (25, 674756), (43, 392300), (50, 337378), (86, 196150), (100, 168689), (172, 98075), (215, 78460), (430, 39230), (860, 19615), (1075, 15692), (2150, 7846), (3923, 4300)]