571005220

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{2543}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 1222341120

約数和(自身を除く): 651335900

約数列:

[1, 2, 4, 5, 10, 20, 103, 109, 206, 218, 412, 436, 515, 545, 1030, 1090, 2060, 2180, 2543, 5086, 10172, 11227, 12715, 22454, 25430, 44908, 50860, 56135, 112270, 224540, 261929, 277187, 523858, 554374, 1047716, 1108748, 1309645, 1385935, 2619290, 2771870, 5238580, 5543740, 28550261, 57100522, 114201044, 142751305, 285502610, 571005220]

約数ペア:

[(1, 571005220), (2, 285502610), (4, 142751305), (5, 114201044), (10, 57100522), (20, 28550261), (103, 5543740), (109, 5238580), (206, 2771870), (218, 2619290), (412, 1385935), (436, 1309645), (515, 1108748), (545, 1047716), (1030, 554374), (1090, 523858), (2060, 277187), (2180, 261929), (2543, 224540), (5086, 112270), (10172, 56135), (11227, 50860), (12715, 44908), (22454, 25430)]