1679900

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 36

約数和(自身を含む): 3702888

約数和(自身を除く): 2022988

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 157, 214, 314, 428, 535, 628, 785, 1070, 1570, 2140, 2675, 3140, 3925, 5350, 7850, 10700, 15700, 16799, 33598, 67196, 83995, 167990, 335980, 419975, 839950, 1679900]

約数ペア:

[(1, 1679900), (2, 839950), (4, 419975), (5, 335980), (10, 167990), (20, 83995), (25, 67196), (50, 33598), (100, 16799), (107, 15700), (157, 10700), (214, 7850), (314, 5350), (428, 3925), (535, 3140), (628, 2675), (785, 2140), (1070, 1570)]