1729160

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 3931200

約数和(自身を除く): 2202040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 311, 556, 622, 695, 1112, 1244, 1390, 1555, 2488, 2780, 3110, 5560, 6220, 12440, 43229, 86458, 172916, 216145, 345832, 432290, 864580, 1729160]

約数ペア:

[(1, 1729160), (2, 864580), (4, 432290), (5, 345832), (8, 216145), (10, 172916), (20, 86458), (40, 43229), (139, 12440), (278, 6220), (311, 5560), (556, 3110), (622, 2780), (695, 2488), (1112, 1555), (1244, 1390)]