199680980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{587297}}^1$

素因数の和:587323

約数の個数: 24

約数和(自身を含む): 443997288

約数和(自身を除く): 244316308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 587297, 1174594, 2349188, 2936485, 5872970, 9984049, 11745940, 19968098, 39936196, 49920245, 99840490, 199680980]

約数ペア:

[(1, 199680980), (2, 99840490), (4, 49920245), (5, 39936196), (10, 19968098), (17, 11745940), (20, 9984049), (34, 5872970), (68, 2936485), (85, 2349188), (170, 1174594), (340, 587297)]