2149400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{977}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 5457240

約数和(自身を除く): 3307840

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, 977, 1100, 1954, 2200, 3908, 4885, 7816, 9770, 10747, 19540, 21494, 24425, 39080, 42988, 48850, 53735, 85976, 97700, 107470, 195400, 214940, 268675, 429880, 537350, 1074700, 2149400]

約数ペア:

[(1, 2149400), (2, 1074700), (4, 537350), (5, 429880), (8, 268675), (10, 214940), (11, 195400), (20, 107470), (22, 97700), (25, 85976), (40, 53735), (44, 48850), (50, 42988), (55, 39080), (88, 24425), (100, 21494), (110, 19540), (200, 10747), (220, 9770), (275, 7816), (440, 4885), (550, 3908), (977, 2200), (1100, 1954)]