13982740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 30602880

約数和(自身を除く): 16620140

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 229, 284, 355, 430, 458, 710, 860, 916, 1145, 1420, 2290, 3053, 4580, 6106, 9847, 12212, 15265, 16259, 19694, 30530, 32518, 39388, 49235, 61060, 65036, 81295, 98470, 162590, 196940, 325180, 699137, 1398274, 2796548, 3495685, 6991370, 13982740]

約数ペア:

[(1, 13982740), (2, 6991370), (4, 3495685), (5, 2796548), (10, 1398274), (20, 699137), (43, 325180), (71, 196940), (86, 162590), (142, 98470), (172, 81295), (215, 65036), (229, 61060), (284, 49235), (355, 39388), (430, 32518), (458, 30530), (710, 19694), (860, 16259), (916, 15265), (1145, 12212), (1420, 9847), (2290, 6106), (3053, 4580)]