12398500

素因数分解:

$2^2\times 5^3\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 27426672

約数和(自身を除く): 15028172

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 137, 181, 250, 274, 362, 500, 548, 685, 724, 905, 1370, 1810, 2740, 3425, 3620, 4525, 6850, 9050, 13700, 17125, 18100, 22625, 24797, 34250, 45250, 49594, 68500, 90500, 99188, 123985, 247970, 495940, 619925, 1239850, 2479700, 3099625, 6199250, 12398500]

約数ペア:

[(1, 12398500), (2, 6199250), (4, 3099625), (5, 2479700), (10, 1239850), (20, 619925), (25, 495940), (50, 247970), (100, 123985), (125, 99188), (137, 90500), (181, 68500), (250, 49594), (274, 45250), (362, 34250), (500, 24797), (548, 22625), (685, 18100), (724, 17125), (905, 13700), (1370, 9050), (1810, 6850), (2740, 4525), (3425, 3620)]