2548900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:444

約数の個数: 36

約数和(自身を含む): 5624640

約数和(自身を除く): 3075740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 359, 710, 718, 1420, 1436, 1775, 1795, 3550, 3590, 7100, 7180, 8975, 17950, 25489, 35900, 50978, 101956, 127445, 254890, 509780, 637225, 1274450, 2548900]

約数ペア:

[(1, 2548900), (2, 1274450), (4, 637225), (5, 509780), (10, 254890), (20, 127445), (25, 101956), (50, 50978), (71, 35900), (100, 25489), (142, 17950), (284, 8975), (355, 7180), (359, 7100), (710, 3590), (718, 3550), (1420, 1795), (1436, 1775)]