207986680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{472697}}^1$

素因数の和:472719

約数の個数: 32

約数和(自身を含む): 510513840

約数和(自身を除く): 302527160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 472697, 945394, 1890788, 2363485, 3781576, 4726970, 5199667, 9453940, 10399334, 18907880, 20798668, 25998335, 41597336, 51996670, 103993340, 207986680]

約数ペア:

[(1, 207986680), (2, 103993340), (4, 51996670), (5, 41597336), (8, 25998335), (10, 20798668), (11, 18907880), (20, 10399334), (22, 9453940), (40, 5199667), (44, 4726970), (55, 3781576), (88, 2363485), (110, 1890788), (220, 945394), (440, 472697)]