200721350

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{20173}}^1$

素因数の和:20384

約数の個数: 24

約数和(自身を含む): 375236400

約数和(自身を除く): 174515050

約数列:

[1, 2, 5, 10, 25, 50, 199, 398, 995, 1990, 4975, 9950, 20173, 40346, 100865, 201730, 504325, 1008650, 4014427, 8028854, 20072135, 40144270, 100360675, 200721350]

約数ペア:

[(1, 200721350), (2, 100360675), (5, 40144270), (10, 20072135), (25, 8028854), (50, 4014427), (199, 1008650), (398, 504325), (995, 201730), (1990, 100865), (4975, 40346), (9950, 20173)]