226698640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{404819}}^1$

素因数の和:404839

約数の個数: 40

約数和(自身を含む): 602372160

約数和(自身を除く): 375673520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 404819, 809638, 1619276, 2024095, 2833733, 3238552, 4048190, 5667466, 6477104, 8096380, 11334932, 14168665, 16192760, 22669864, 28337330, 32385520, 45339728, 56674660, 113349320, 226698640]

約数ペア:

[(1, 226698640), (2, 113349320), (4, 56674660), (5, 45339728), (7, 32385520), (8, 28337330), (10, 22669864), (14, 16192760), (16, 14168665), (20, 11334932), (28, 8096380), (35, 6477104), (40, 5667466), (56, 4048190), (70, 3238552), (80, 2833733), (112, 2024095), (140, 1619276), (280, 809638), (560, 404819)]