245887180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{159667}}^1$

素因数の和:159694

約数の個数: 48

約数和(自身を含む): 643781376

約数和(自身を除く): 397894196

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 159667, 319334, 638668, 798335, 1117669, 1596670, 1756337, 2235338, 3193340, 3512674, 4470676, 5588345, 7025348, 8781685, 11176690, 12294359, 17563370, 22353380, 24588718, 35126740, 49177436, 61471795, 122943590, 245887180]

約数ペア:

[(1, 245887180), (2, 122943590), (4, 61471795), (5, 49177436), (7, 35126740), (10, 24588718), (11, 22353380), (14, 17563370), (20, 12294359), (22, 11176690), (28, 8781685), (35, 7025348), (44, 5588345), (55, 4470676), (70, 3512674), (77, 3193340), (110, 2235338), (140, 1756337), (154, 1596670), (220, 1117669), (308, 798335), (385, 638668), (770, 319334), (1540, 159667)]