142747880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{324427}}^1$

素因数の和:324449

約数の個数: 32

約数和(自身を含む): 350382240

約数和(自身を除く): 207634360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 324427, 648854, 1297708, 1622135, 2595416, 3244270, 3568697, 6488540, 7137394, 12977080, 14274788, 17843485, 28549576, 35686970, 71373940, 142747880]

約数ペア:

[(1, 142747880), (2, 71373940), (4, 35686970), (5, 28549576), (8, 17843485), (10, 14274788), (11, 12977080), (20, 7137394), (22, 6488540), (40, 3568697), (44, 3244270), (55, 2595416), (88, 1622135), (110, 1297708), (220, 648854), (440, 324427)]