248870540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157513}}^1$

素因数の和:157601

約数の個数: 24

約数和(自身を含む): 529247040

約数和(自身を除く): 280376500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 157513, 315026, 630052, 787565, 1575130, 3150260, 12443527, 24887054, 49774108, 62217635, 124435270, 248870540]

約数ペア:

[(1, 248870540), (2, 124435270), (4, 62217635), (5, 49774108), (10, 24887054), (20, 12443527), (79, 3150260), (158, 1575130), (316, 787565), (395, 630052), (790, 315026), (1580, 157513)]