249034460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139907}}^1$

素因数の和:140005

約数の個数: 24

約数和(自身を含む): 528852240

約数和(自身を除く): 279817780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 139907, 279814, 559628, 699535, 1399070, 2798140, 12451723, 24903446, 49806892, 62258615, 124517230, 249034460]

約数ペア:

[(1, 249034460), (2, 124517230), (4, 62258615), (5, 49806892), (10, 24903446), (20, 12451723), (89, 2798140), (178, 1399070), (356, 699535), (445, 559628), (890, 279814), (1780, 139907)]