427508980

素因数分解:

$2^2\times 5^1\times {\mathrm{1559}}^1\times {\mathrm{13711}}^1$

素因数の和:15279

約数の個数: 24

約数和(自身を含む): 898410240

約数和(自身を除く): 470901260

約数列:

[1, 2, 4, 5, 10, 20, 1559, 3118, 6236, 7795, 13711, 15590, 27422, 31180, 54844, 68555, 137110, 274220, 21375449, 42750898, 85501796, 106877245, 213754490, 427508980]

約数ペア:

[(1, 427508980), (2, 213754490), (4, 106877245), (5, 85501796), (10, 42750898), (20, 21375449), (1559, 274220), (3118, 137110), (6236, 68555), (7795, 54844), (13711, 31180), (15590, 27422)]