311980020

素因数分解:

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

素因数の和:472720

約数の個数: 48

約数和(自身を含む): 952959168

約数和(自身を除く): 640979148

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 472697, 945394, 1418091, 1890788, 2363485, 2836182, 4726970, 5199667, 5672364, 7090455, 9453940, 10399334, 14180910, 15599001, 20798668, 25998335, 28361820, 31198002, 51996670, 62396004, 77995005, 103993340, 155990010, 311980020]

約数ペア:

[(1, 311980020), (2, 155990010), (3, 103993340), (4, 77995005), (5, 62396004), (6, 51996670), (10, 31198002), (11, 28361820), (12, 25998335), (15, 20798668), (20, 15599001), (22, 14180910), (30, 10399334), (33, 9453940), (44, 7090455), (55, 5672364), (60, 5199667), (66, 4726970), (110, 2836182), (132, 2363485), (165, 1890788), (220, 1418091), (330, 945394), (660, 472697)]