1566221260

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{457}}^1\times {\mathrm{491}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 3312439200

約数和(自身を除く): 1746217940

約数列:

[1, 2, 4, 5, 10, 20, 349, 457, 491, 698, 914, 982, 1396, 1745, 1828, 1964, 2285, 2455, 3490, 4570, 4910, 6980, 9140, 9820, 159493, 171359, 224387, 318986, 342718, 448774, 637972, 685436, 797465, 856795, 897548, 1121935, 1594930, 1713590, 2243870, 3189860, 3427180, 4487740, 78311063, 156622126, 313244252, 391555315, 783110630, 1566221260]

約数ペア:

[(1, 1566221260), (2, 783110630), (4, 391555315), (5, 313244252), (10, 156622126), (20, 78311063), (349, 4487740), (457, 3427180), (491, 3189860), (698, 2243870), (914, 1713590), (982, 1594930), (1396, 1121935), (1745, 897548), (1828, 856795), (1964, 797465), (2285, 685436), (2455, 637972), (3490, 448774), (4570, 342718), (4910, 318986), (6980, 224387), (9140, 171359), (9820, 159493)]