678702970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{143489}}^1$

素因数の和:143550

約数の個数: 32

約数和(自身を含む): 1363728960

約数和(自身を除く): 685025990

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 143489, 286978, 717445, 1434890, 1578379, 3156758, 6170027, 7891895, 12340054, 15783790, 30850135, 61700270, 67870297, 135740594, 339351485, 678702970]

約数ペア:

[(1, 678702970), (2, 339351485), (5, 135740594), (10, 67870297), (11, 61700270), (22, 30850135), (43, 15783790), (55, 12340054), (86, 7891895), (110, 6170027), (215, 3156758), (430, 1578379), (473, 1434890), (946, 717445), (2365, 286978), (4730, 143489)]