3928460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2207}}^1$

素因数の和:2305

約数の個数: 24

約数和(自身を含む): 8346240

約数和(自身を除く): 4417780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2207, 4414, 8828, 11035, 22070, 44140, 196423, 392846, 785692, 982115, 1964230, 3928460]

約数ペア:

[(1, 3928460), (2, 1964230), (4, 982115), (5, 785692), (10, 392846), (20, 196423), (89, 44140), (178, 22070), (356, 11035), (445, 8828), (890, 4414), (1780, 2207)]