219045910

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{246119}}^1$

素因数の和:246215

約数の個数: 16

約数和(自身を含む): 398714400

約数和(自身を除く): 179668490

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 246119, 492238, 1230595, 2461190, 21904591, 43809182, 109522955, 219045910]

約数ペア:

[(1, 219045910), (2, 109522955), (5, 43809182), (10, 21904591), (89, 2461190), (178, 1230595), (445, 492238), (890, 246119)]