214051880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{764471}}^1$

素因数の和:764489

約数の個数: 32

約数和(自身を含む): 550419840

約数和(自身を除く): 336367960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 764471, 1528942, 3057884, 3822355, 5351297, 6115768, 7644710, 10702594, 15289420, 21405188, 26756485, 30578840, 42810376, 53512970, 107025940, 214051880]

約数ペア:

[(1, 214051880), (2, 107025940), (4, 53512970), (5, 42810376), (7, 30578840), (8, 26756485), (10, 21405188), (14, 15289420), (20, 10702594), (28, 7644710), (35, 6115768), (40, 5351297), (56, 3822355), (70, 3057884), (140, 1528942), (280, 764471)]