200820452

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1567}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 421478400

約数和(自身を除く): 220657948

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 199, 322, 398, 644, 796, 1393, 1567, 2786, 3134, 4577, 5572, 6268, 9154, 10969, 18308, 21938, 32039, 36041, 43876, 64078, 72082, 128156, 144164, 252287, 311833, 504574, 623666, 1009148, 1247332, 2182831, 4365662, 7172159, 8731324, 14344318, 28688636, 50205113, 100410226, 200820452]

約数ペア:

[(1, 200820452), (2, 100410226), (4, 50205113), (7, 28688636), (14, 14344318), (23, 8731324), (28, 7172159), (46, 4365662), (92, 2182831), (161, 1247332), (199, 1009148), (322, 623666), (398, 504574), (644, 311833), (796, 252287), (1393, 144164), (1567, 128156), (2786, 72082), (3134, 64078), (4577, 43876), (5572, 36041), (6268, 32039), (9154, 21938), (10969, 18308)]