89709890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{390043}}^1$

素因数の和:390073

約数の個数: 16

約数和(自身を含む): 168499008

約数和(自身を除く): 78789118

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 390043, 780086, 1950215, 3900430, 8970989, 17941978, 44854945, 89709890]

約数ペア:

[(1, 89709890), (2, 44854945), (5, 17941978), (10, 8970989), (23, 3900430), (46, 1950215), (115, 780086), (230, 390043)]