1290280310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{617359}}^1$

素因数の和:617396

約数の個数: 32

約数和(自身を含む): 2666995200

約数和(自身を除く): 1376714890

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 617359, 1234718, 3086795, 6173590, 6790949, 11729821, 13581898, 23459642, 33954745, 58649105, 67909490, 117298210, 129028031, 258056062, 645140155, 1290280310]

約数ペア:

[(1, 1290280310), (2, 645140155), (5, 258056062), (10, 129028031), (11, 117298210), (19, 67909490), (22, 58649105), (38, 33954745), (55, 23459642), (95, 13581898), (110, 11729821), (190, 6790949), (209, 6173590), (418, 3086795), (1045, 1234718), (2090, 617359)]