219571010

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{246709}}^1$

素因数の和:246805

約数の個数: 16

約数和(自身を含む): 399670200

約数和(自身を除く): 180099190

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 246709, 493418, 1233545, 2467090, 21957101, 43914202, 109785505, 219571010]

約数ペア:

[(1, 219571010), (2, 109785505), (5, 43914202), (10, 21957101), (89, 2467090), (178, 1233545), (445, 493418), (890, 246709)]