212225540

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{53323}}^1$

素因数の和:53531

約数の個数: 24

約数和(自身を含む): 447921600

約数和(自身を除く): 235696060

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 53323, 106646, 213292, 266615, 533230, 1066460, 10611277, 21222554, 42445108, 53056385, 106112770, 212225540]

約数ペア:

[(1, 212225540), (2, 106112770), (4, 53056385), (5, 42445108), (10, 21222554), (20, 10611277), (199, 1066460), (398, 533230), (796, 266615), (995, 213292), (1990, 106646), (3980, 53323)]