864920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3089}}^1$

素因数の和:3107

約数の個数: 32

約数和(自身を含む): 2224800

約数和(自身を除く): 1359880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3089, 6178, 12356, 15445, 21623, 24712, 30890, 43246, 61780, 86492, 108115, 123560, 172984, 216230, 432460, 864920]

約数ペア:

[(1, 864920), (2, 432460), (4, 216230), (5, 172984), (7, 123560), (8, 108115), (10, 86492), (14, 61780), (20, 43246), (28, 30890), (35, 24712), (40, 21623), (56, 15445), (70, 12356), (140, 6178), (280, 3089)]