220131710

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{247339}}^1$

素因数の和:247435

約数の個数: 16

約数和(自身を含む): 400690800

約数和(自身を除く): 180559090

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 247339, 494678, 1236695, 2473390, 22013171, 44026342, 110065855, 220131710]

約数ペア:

[(1, 220131710), (2, 110065855), (5, 44026342), (10, 22013171), (89, 2473390), (178, 1236695), (445, 494678), (890, 247339)]