291398020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{857053}}^1$

素因数の和:857079

約数の個数: 24

約数和(自身を含む): 647932824

約数和(自身を除く): 356534804

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 857053, 1714106, 3428212, 4285265, 8570530, 14569901, 17141060, 29139802, 58279604, 72849505, 145699010, 291398020]

約数ペア:

[(1, 291398020), (2, 145699010), (4, 72849505), (5, 58279604), (10, 29139802), (17, 17141060), (20, 14569901), (34, 8570530), (68, 4285265), (85, 3428212), (170, 1714106), (340, 857053)]