72218500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{3359}}^1$

素因数の和:3421

約数の個数: 48

約数和(自身を含む): 161441280

約数和(自身を除く): 89222780

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 860, 1075, 2150, 3359, 4300, 5375, 6718, 10750, 13436, 16795, 21500, 33590, 67180, 83975, 144437, 167950, 288874, 335900, 419875, 577748, 722185, 839750, 1444370, 1679500, 2888740, 3610925, 7221850, 14443700, 18054625, 36109250, 72218500]

約数ペア:

[(1, 72218500), (2, 36109250), (4, 18054625), (5, 14443700), (10, 7221850), (20, 3610925), (25, 2888740), (43, 1679500), (50, 1444370), (86, 839750), (100, 722185), (125, 577748), (172, 419875), (215, 335900), (250, 288874), (430, 167950), (500, 144437), (860, 83975), (1075, 67180), (2150, 33590), (3359, 21500), (4300, 16795), (5375, 13436), (6718, 10750)]