2224820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 5174400

約数和(自身を除く): 2949580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 199, 215, 260, 398, 430, 559, 796, 860, 995, 1118, 1990, 2236, 2587, 2795, 3980, 5174, 5590, 8557, 10348, 11180, 12935, 17114, 25870, 34228, 42785, 51740, 85570, 111241, 171140, 222482, 444964, 556205, 1112410, 2224820]

約数ペア:

[(1, 2224820), (2, 1112410), (4, 556205), (5, 444964), (10, 222482), (13, 171140), (20, 111241), (26, 85570), (43, 51740), (52, 42785), (65, 34228), (86, 25870), (130, 17114), (172, 12935), (199, 11180), (215, 10348), (260, 8557), (398, 5590), (430, 5174), (559, 3980), (796, 2795), (860, 2587), (995, 2236), (1118, 1990)]