320427728

素因数分解:

$2^4\times {\mathrm{29}}^2\times {\mathrm{23813}}^1$

素因数の和:23879

約数の個数: 30

約数和(自身を含む): 643001814

約数和(自身を除く): 322574086

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 841, 1682, 3364, 6728, 13456, 23813, 47626, 95252, 190504, 381008, 690577, 1381154, 2762308, 5524616, 11049232, 20026733, 40053466, 80106932, 160213864, 320427728]

約数ペア:

[(1, 320427728), (2, 160213864), (4, 80106932), (8, 40053466), (16, 20026733), (29, 11049232), (58, 5524616), (116, 2762308), (232, 1381154), (464, 690577), (841, 381008), (1682, 190504), (3364, 95252), (6728, 47626), (13456, 23813)]