1520921180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{8887}}^1$

素因数の和:9138

約数の個数: 48

約数和(自身を含む): 3285004800

約数和(自身を除く): 1764083620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 199, 215, 398, 430, 796, 860, 995, 1990, 3980, 8557, 8887, 17114, 17774, 34228, 35548, 42785, 44435, 85570, 88870, 171140, 177740, 382141, 764282, 1528564, 1768513, 1910705, 3537026, 3821410, 7074052, 7642820, 8842565, 17685130, 35370260, 76046059, 152092118, 304184236, 380230295, 760460590, 1520921180]

約数ペア:

[(1, 1520921180), (2, 760460590), (4, 380230295), (5, 304184236), (10, 152092118), (20, 76046059), (43, 35370260), (86, 17685130), (172, 8842565), (199, 7642820), (215, 7074052), (398, 3821410), (430, 3537026), (796, 1910705), (860, 1768513), (995, 1528564), (1990, 764282), (3980, 382141), (8557, 177740), (8887, 171140), (17114, 88870), (17774, 85570), (34228, 44435), (35548, 42785)]