2155450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{3919}}^1$

素因数の和:3942

約数の個数: 24

約数和(自身を含む): 4374720

約数和(自身を除く): 2219270

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 3919, 7838, 19595, 39190, 43109, 86218, 97975, 195950, 215545, 431090, 1077725, 2155450]

約数ペア:

[(1, 2155450), (2, 1077725), (5, 431090), (10, 215545), (11, 195950), (22, 97975), (25, 86218), (50, 43109), (55, 39190), (110, 19595), (275, 7838), (550, 3919)]