378339940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{17027}}^1$

素因数の和:17148

約数の個数: 48

約数和(自身を含む): 875375424

約数和(自身を除く): 497035484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 17027, 22220, 34054, 68108, 85135, 170270, 187297, 340540, 374594, 749188, 936485, 1719727, 1872970, 3439454, 3745940, 6878908, 8598635, 17197270, 18916997, 34394540, 37833994, 75667988, 94584985, 189169970, 378339940]

約数ペア:

[(1, 378339940), (2, 189169970), (4, 94584985), (5, 75667988), (10, 37833994), (11, 34394540), (20, 18916997), (22, 17197270), (44, 8598635), (55, 6878908), (101, 3745940), (110, 3439454), (202, 1872970), (220, 1719727), (404, 936485), (505, 749188), (1010, 374594), (1111, 340540), (2020, 187297), (2222, 170270), (4444, 85135), (5555, 68108), (11110, 34054), (17027, 22220)]