2029121990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28987457}}^1$

素因数の和:28987471

約数の個数: 16

約数和(自身を含む): 4174193952

約数和(自身を除く): 2145071962

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28987457, 57974914, 144937285, 202912199, 289874570, 405824398, 1014560995, 2029121990]

約数ペア:

[(1, 2029121990), (2, 1014560995), (5, 405824398), (7, 289874570), (10, 202912199), (14, 144937285), (35, 57974914), (70, 28987457)]