200980280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{116849}}^1$

素因数の和:116903

約数の個数: 32

約数和(自身を含む): 462726000

約数和(自身を除く): 261745720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 116849, 233698, 467396, 584245, 934792, 1168490, 2336980, 4673960, 5024507, 10049014, 20098028, 25122535, 40196056, 50245070, 100490140, 200980280]

約数ペア:

[(1, 200980280), (2, 100490140), (4, 50245070), (5, 40196056), (8, 25122535), (10, 20098028), (20, 10049014), (40, 5024507), (43, 4673960), (86, 2336980), (172, 1168490), (215, 934792), (344, 584245), (430, 467396), (860, 233698), (1720, 116849)]