215317510

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197539}}^1$

素因数の和:197655

約数の個数: 16

約数和(自身を含む): 391129200

約数和(自身を除く): 175811690

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 197539, 395078, 987695, 1975390, 21531751, 43063502, 107658755, 215317510]

約数ペア:

[(1, 215317510), (2, 107658755), (5, 43063502), (10, 21531751), (109, 1975390), (218, 987695), (545, 395078), (1090, 197539)]