2558290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 5614272

約数和(自身を除く): 3055982

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 227, 230, 245, 322, 454, 490, 805, 1127, 1135, 1589, 1610, 2254, 2270, 3178, 5221, 5635, 7945, 10442, 11123, 11270, 15890, 22246, 26105, 36547, 52210, 55615, 73094, 111230, 182735, 255829, 365470, 511658, 1279145, 2558290]

約数ペア:

[(1, 2558290), (2, 1279145), (5, 511658), (7, 365470), (10, 255829), (14, 182735), (23, 111230), (35, 73094), (46, 55615), (49, 52210), (70, 36547), (98, 26105), (115, 22246), (161, 15890), (227, 11270), (230, 11123), (245, 10442), (322, 7945), (454, 5635), (490, 5221), (805, 3178), (1127, 2270), (1135, 2254), (1589, 1610)]