388580453620

素因数分解:

$2^2\times 5^1\times {\mathrm{4349}}^1\times {\mathrm{4467469}}^1$

素因数の和:4471827

約数の個数: 24

約数和(自身を含む): 816206769000

約数和(自身を除く): 427626315380

約数列:

[1, 2, 4, 5, 10, 20, 4349, 8698, 17396, 21745, 43490, 86980, 4467469, 8934938, 17869876, 22337345, 44674690, 89349380, 19429022681, 38858045362, 77716090724, 97145113405, 194290226810, 388580453620]

約数ペア:

[(1, 388580453620), (2, 194290226810), (4, 97145113405), (5, 77716090724), (10, 38858045362), (20, 19429022681), (4349, 89349380), (8698, 44674690), (17396, 22337345), (21745, 17869876), (43490, 8934938), (86980, 4467469)]