401640904

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1567}}^1$

素因数の和:1802

約数の個数: 64

約数和(自身を含む): 903168000

約数和(自身を除く): 501527096

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 199, 322, 398, 644, 796, 1288, 1393, 1567, 1592, 2786, 3134, 4577, 5572, 6268, 9154, 10969, 11144, 12536, 18308, 21938, 32039, 36041, 36616, 43876, 64078, 72082, 87752, 128156, 144164, 252287, 256312, 288328, 311833, 504574, 623666, 1009148, 1247332, 2018296, 2182831, 2494664, 4365662, 7172159, 8731324, 14344318, 17462648, 28688636, 50205113, 57377272, 100410226, 200820452, 401640904]

約数ペア:

[(1, 401640904), (2, 200820452), (4, 100410226), (7, 57377272), (8, 50205113), (14, 28688636), (23, 17462648), (28, 14344318), (46, 8731324), (56, 7172159), (92, 4365662), (161, 2494664), (184, 2182831), (199, 2018296), (322, 1247332), (398, 1009148), (644, 623666), (796, 504574), (1288, 311833), (1393, 288328), (1567, 256312), (1592, 252287), (2786, 144164), (3134, 128156), (4577, 87752), (5572, 72082), (6268, 64078), (9154, 43876), (10969, 36616), (11144, 36041), (12536, 32039), (18308, 21938)]