149418160

素因数分解:

$2^4\times 5^1\times {\mathrm{1867727}}^1$

素因数の和:1867740

約数の個数: 20

約数和(自身を含む): 347397408

約数和(自身を除く): 197979248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1867727, 3735454, 7470908, 9338635, 14941816, 18677270, 29883632, 37354540, 74709080, 149418160]

約数ペア:

[(1, 149418160), (2, 74709080), (4, 37354540), (5, 29883632), (8, 18677270), (10, 14941816), (16, 9338635), (20, 7470908), (40, 3735454), (80, 1867727)]