71215420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{187409}}^1$

素因数の和:187437

約数の個数: 24

約数和(自身を含む): 157424400

約数和(自身を除く): 86208980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 187409, 374818, 749636, 937045, 1874090, 3560771, 3748180, 7121542, 14243084, 17803855, 35607710, 71215420]

約数ペア:

[(1, 71215420), (2, 35607710), (4, 17803855), (5, 14243084), (10, 7121542), (19, 3748180), (20, 3560771), (38, 1874090), (76, 937045), (95, 749636), (190, 374818), (380, 187409)]