355744390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1\times {\mathrm{839}}^1$

素因数の和:1344

約数の個数: 32

約数和(自身を含む): 648648000

約数和(自身を除く): 292903610

約数列:

[1, 2, 5, 10, 109, 218, 389, 545, 778, 839, 1090, 1678, 1945, 3890, 4195, 8390, 42401, 84802, 91451, 182902, 212005, 326371, 424010, 457255, 652742, 914510, 1631855, 3263710, 35574439, 71148878, 177872195, 355744390]

約数ペア:

[(1, 355744390), (2, 177872195), (5, 71148878), (10, 35574439), (109, 3263710), (218, 1631855), (389, 914510), (545, 652742), (778, 457255), (839, 424010), (1090, 326371), (1678, 212005), (1945, 182902), (3890, 91451), (4195, 84802), (8390, 42401)]