2143900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1949}}^1$

素因数の和:1974

約数の個数: 36

約数和(自身を含む): 5077800

約数和(自身を除く): 2933900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 1949, 3898, 7796, 9745, 19490, 21439, 38980, 42878, 48725, 85756, 97450, 107195, 194900, 214390, 428780, 535975, 1071950, 2143900]

約数ペア:

[(1, 2143900), (2, 1071950), (4, 535975), (5, 428780), (10, 214390), (11, 194900), (20, 107195), (22, 97450), (25, 85756), (44, 48725), (50, 42878), (55, 38980), (100, 21439), (110, 19490), (220, 9745), (275, 7796), (550, 3898), (1100, 1949)]