388621970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:611

約数の個数: 64

約数和(自身を含む): 783820800

約数和(自身を除く): 395198830

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 191, 265, 349, 382, 530, 583, 698, 955, 1166, 1745, 1910, 2101, 2915, 3490, 3839, 4202, 5830, 7678, 10123, 10505, 18497, 19195, 20246, 21010, 36994, 38390, 50615, 66659, 92485, 101230, 111353, 133318, 184970, 203467, 222706, 333295, 406934, 556765, 666590, 733249, 1017335, 1113530, 1466498, 2034670, 3532927, 3666245, 7065854, 7332490, 17664635, 35329270, 38862197, 77724394, 194310985, 388621970]

約数ペア:

[(1, 388621970), (2, 194310985), (5, 77724394), (10, 38862197), (11, 35329270), (22, 17664635), (53, 7332490), (55, 7065854), (106, 3666245), (110, 3532927), (191, 2034670), (265, 1466498), (349, 1113530), (382, 1017335), (530, 733249), (583, 666590), (698, 556765), (955, 406934), (1166, 333295), (1745, 222706), (1910, 203467), (2101, 184970), (2915, 133318), (3490, 111353), (3839, 101230), (4202, 92485), (5830, 66659), (7678, 50615), (10123, 38390), (10505, 36994), (18497, 21010), (19195, 20246)]