2721400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1237}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 6908040

約数和(自身を除く): 4186640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 1237, 2200, 2474, 4948, 6185, 9896, 12370, 13607, 24740, 27214, 30925, 49480, 54428, 61850, 68035, 108856, 123700, 136070, 247400, 272140, 340175, 544280, 680350, 1360700, 2721400]

約数ペア:

[(1, 2721400), (2, 1360700), (4, 680350), (5, 544280), (8, 340175), (10, 272140), (11, 247400), (20, 136070), (22, 123700), (25, 108856), (40, 68035), (44, 61850), (50, 54428), (55, 49480), (88, 30925), (100, 27214), (110, 24740), (200, 13607), (220, 12370), (275, 9896), (440, 6185), (550, 4948), (1100, 2474), (1237, 2200)]