172573670

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2192

約数の個数: 32

約数和(自身を含む): 317520000

約数和(自身を除く): 144946330

約数列:

[1, 2, 5, 10, 89, 97, 178, 194, 445, 485, 890, 970, 1999, 3998, 8633, 9995, 17266, 19990, 43165, 86330, 177911, 193903, 355822, 387806, 889555, 969515, 1779110, 1939030, 17257367, 34514734, 86286835, 172573670]

約数ペア:

[(1, 172573670), (2, 86286835), (5, 34514734), (10, 17257367), (89, 1939030), (97, 1779110), (178, 969515), (194, 889555), (445, 387806), (485, 355822), (890, 193903), (970, 177911), (1999, 86330), (3998, 43165), (8633, 19990), (9995, 17266)]