2978290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 6188544

約数和(自身を除く): 3210254

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 271, 314, 542, 785, 1099, 1355, 1570, 1897, 2198, 2710, 3794, 5495, 9485, 10990, 18970, 42547, 85094, 212735, 297829, 425470, 595658, 1489145, 2978290]

約数ペア:

[(1, 2978290), (2, 1489145), (5, 595658), (7, 425470), (10, 297829), (14, 212735), (35, 85094), (70, 42547), (157, 18970), (271, 10990), (314, 9485), (542, 5495), (785, 3794), (1099, 2710), (1355, 2198), (1570, 1897)]