2120050

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:510

約数の個数: 24

約数和(自身を含む): 3989700

約数和(自身を除く): 1869650

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 389, 545, 778, 1090, 1945, 2725, 3890, 5450, 9725, 19450, 42401, 84802, 212005, 424010, 1060025, 2120050]

約数ペア:

[(1, 2120050), (2, 1060025), (5, 424010), (10, 212005), (25, 84802), (50, 42401), (109, 19450), (218, 9725), (389, 5450), (545, 3890), (778, 2725), (1090, 1945)]