28887400

素因数分解:

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

素因数の和:3418

約数の個数: 48

約数和(自身を含む): 68745600

約数和(自身を除く): 39858200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 3359, 4300, 6718, 8600, 13436, 16795, 26872, 33590, 67180, 83975, 134360, 144437, 167950, 288874, 335900, 577748, 671800, 722185, 1155496, 1444370, 2888740, 3610925, 5777480, 7221850, 14443700, 28887400]

約数ペア:

[(1, 28887400), (2, 14443700), (4, 7221850), (5, 5777480), (8, 3610925), (10, 2888740), (20, 1444370), (25, 1155496), (40, 722185), (43, 671800), (50, 577748), (86, 335900), (100, 288874), (172, 167950), (200, 144437), (215, 134360), (344, 83975), (430, 67180), (860, 33590), (1075, 26872), (1720, 16795), (2150, 13436), (3359, 8600), (4300, 6718)]