890803670

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{13711}}^1$

素因数の和:13880

約数の個数: 32

約数和(自身を含む): 1643794560

約数和(自身を除く): 752990890

約数列:

[1, 2, 5, 10, 73, 89, 146, 178, 365, 445, 730, 890, 6497, 12994, 13711, 27422, 32485, 64970, 68555, 137110, 1000903, 1220279, 2001806, 2440558, 5004515, 6101395, 10009030, 12202790, 89080367, 178160734, 445401835, 890803670]

約数ペア:

[(1, 890803670), (2, 445401835), (5, 178160734), (10, 89080367), (73, 12202790), (89, 10009030), (146, 6101395), (178, 5004515), (365, 2440558), (445, 2001806), (730, 1220279), (890, 1000903), (6497, 137110), (12994, 68555), (13711, 64970), (27422, 32485)]