1520921420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1\times {\mathrm{2417}}^1$

素因数の和:2930

約数の個数: 48

約数和(自身を含む): 3246542208

約数和(自身を除く): 1725620788

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 431, 730, 862, 1460, 1724, 2155, 2417, 4310, 4834, 8620, 9668, 12085, 24170, 31463, 48340, 62926, 125852, 157315, 176441, 314630, 352882, 629260, 705764, 882205, 1041727, 1764410, 2083454, 3528820, 4166908, 5208635, 10417270, 20834540, 76046071, 152092142, 304184284, 380230355, 760460710, 1520921420]

約数ペア:

[(1, 1520921420), (2, 760460710), (4, 380230355), (5, 304184284), (10, 152092142), (20, 76046071), (73, 20834540), (146, 10417270), (292, 5208635), (365, 4166908), (431, 3528820), (730, 2083454), (862, 1764410), (1460, 1041727), (1724, 882205), (2155, 705764), (2417, 629260), (4310, 352882), (4834, 314630), (8620, 176441), (9668, 157315), (12085, 125852), (24170, 62926), (31463, 48340)]