2109642380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3402649}}^1$

素因数の和:3402689

約数の個数: 24

約数和(自身を含む): 4573161600

約数和(自身を除く): 2463519220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3402649, 6805298, 13610596, 17013245, 34026490, 68052980, 105482119, 210964238, 421928476, 527410595, 1054821190, 2109642380]

約数ペア:

[(1, 2109642380), (2, 1054821190), (4, 527410595), (5, 421928476), (10, 210964238), (20, 105482119), (31, 68052980), (62, 34026490), (124, 17013245), (155, 13610596), (310, 6805298), (620, 3402649)]