291497860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{14737}}^1$

素因数の和:14812

約数の個数: 48

約数和(自身を含む): 653659776

約数和(自身を除く): 362161916

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 9890, 14737, 19780, 29474, 58948, 73685, 147370, 294740, 338951, 633691, 677902, 1267382, 1355804, 1694755, 2534764, 3168455, 3389510, 6336910, 6779020, 12673820, 14574893, 29149786, 58299572, 72874465, 145748930, 291497860]

約数ペア:

[(1, 291497860), (2, 145748930), (4, 72874465), (5, 58299572), (10, 29149786), (20, 14574893), (23, 12673820), (43, 6779020), (46, 6336910), (86, 3389510), (92, 3168455), (115, 2534764), (172, 1694755), (215, 1355804), (230, 1267382), (430, 677902), (460, 633691), (860, 338951), (989, 294740), (1978, 147370), (3956, 73685), (4945, 58948), (9890, 29474), (14737, 19780)]