243979280

素因数分解:

$2^4\times 5^1\times {\mathrm{3049741}}^1$

素因数の和:3049754

約数の個数: 20

約数和(自身を含む): 567252012

約数和(自身を除く): 323272732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3049741, 6099482, 12198964, 15248705, 24397928, 30497410, 48795856, 60994820, 121989640, 243979280]

約数ペア:

[(1, 243979280), (2, 121989640), (4, 60994820), (5, 48795856), (8, 30497410), (10, 24397928), (16, 15248705), (20, 12198964), (40, 6099482), (80, 3049741)]