2970820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1669}}^1$

素因数の和:1767

約数の個数: 24

約数和(自身を含む): 6312600

約数和(自身を除く): 3341780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1669, 1780, 3338, 6676, 8345, 16690, 33380, 148541, 297082, 594164, 742705, 1485410, 2970820]

約数ペア:

[(1, 2970820), (2, 1485410), (4, 742705), (5, 594164), (10, 297082), (20, 148541), (89, 33380), (178, 16690), (356, 8345), (445, 6676), (890, 3338), (1669, 1780)]