2121900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{643}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 6707904

約数和(自身を除く): 4586004

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 550, 643, 660, 825, 1100, 1286, 1650, 1929, 2572, 3215, 3300, 3858, 6430, 7073, 7716, 9645, 12860, 14146, 16075, 19290, 21219, 28292, 32150, 35365, 38580, 42438, 48225, 64300, 70730, 84876, 96450, 106095, 141460, 176825, 192900, 212190, 353650, 424380, 530475, 707300, 1060950, 2121900]

約数ペア:

[(1, 2121900), (2, 1060950), (3, 707300), (4, 530475), (5, 424380), (6, 353650), (10, 212190), (11, 192900), (12, 176825), (15, 141460), (20, 106095), (22, 96450), (25, 84876), (30, 70730), (33, 64300), (44, 48225), (50, 42438), (55, 38580), (60, 35365), (66, 32150), (75, 28292), (100, 21219), (110, 19290), (132, 16075), (150, 14146), (165, 12860), (220, 9645), (275, 7716), (300, 7073), (330, 6430), (550, 3858), (643, 3300), (660, 3215), (825, 2572), (1100, 1929), (1286, 1650)]