2809400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1277}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 7131240

約数和(自身を除く): 4321840

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, 1277, 2200, 2554, 5108, 6385, 10216, 12770, 14047, 25540, 28094, 31925, 51080, 56188, 63850, 70235, 112376, 127700, 140470, 255400, 280940, 351175, 561880, 702350, 1404700, 2809400]

約数ペア:

[(1, 2809400), (2, 1404700), (4, 702350), (5, 561880), (8, 351175), (10, 280940), (11, 255400), (20, 140470), (22, 127700), (25, 112376), (40, 70235), (44, 63850), (50, 56188), (55, 51080), (88, 31925), (100, 28094), (110, 25540), (200, 14047), (220, 12770), (275, 10216), (440, 6385), (550, 5108), (1100, 2554), (1277, 2200)]