90969090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{7237}}^1$

素因数の和:7666

約数の個数: 32

約数和(自身を含む): 218877120

約数和(自身を除く): 127908030

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 419, 838, 1257, 2095, 2514, 4190, 6285, 7237, 12570, 14474, 21711, 36185, 43422, 72370, 108555, 217110, 3032303, 6064606, 9096909, 15161515, 18193818, 30323030, 45484545, 90969090]

約数ペア:

[(1, 90969090), (2, 45484545), (3, 30323030), (5, 18193818), (6, 15161515), (10, 9096909), (15, 6064606), (30, 3032303), (419, 217110), (838, 108555), (1257, 72370), (2095, 43422), (2514, 36185), (4190, 21711), (6285, 14474), (7237, 12570)]