98417980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{55291}}^1$

素因数の和:55389

約数の個数: 24

約数和(自身を含む): 209003760

約数和(自身を除く): 110585780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 55291, 110582, 221164, 276455, 552910, 1105820, 4920899, 9841798, 19683596, 24604495, 49208990, 98417980]

約数ペア:

[(1, 98417980), (2, 49208990), (4, 24604495), (5, 19683596), (10, 9841798), (20, 4920899), (89, 1105820), (178, 552910), (356, 276455), (445, 221164), (890, 110582), (1780, 55291)]