1956553390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{661}}^1$

素因数の和:1129

約数の個数: 64

約数和(自身を含む): 3912261120

約数和(自身を除く): 1955707730

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 379, 661, 710, 758, 781, 1322, 1562, 1895, 3305, 3790, 3905, 4169, 6610, 7271, 7810, 8338, 14542, 20845, 26909, 36355, 41690, 46931, 53818, 72710, 93862, 134545, 234655, 250519, 269090, 295999, 469310, 501038, 516241, 591998, 1032482, 1252595, 1479995, 2505190, 2581205, 2755709, 2959990, 5162410, 5511418, 13778545, 17786849, 27557090, 35573698, 88934245, 177868490, 195655339, 391310678, 978276695, 1956553390]

約数ペア:

[(1, 1956553390), (2, 978276695), (5, 391310678), (10, 195655339), (11, 177868490), (22, 88934245), (55, 35573698), (71, 27557090), (110, 17786849), (142, 13778545), (355, 5511418), (379, 5162410), (661, 2959990), (710, 2755709), (758, 2581205), (781, 2505190), (1322, 1479995), (1562, 1252595), (1895, 1032482), (3305, 591998), (3790, 516241), (3905, 501038), (4169, 469310), (6610, 295999), (7271, 269090), (7810, 250519), (8338, 234655), (14542, 134545), (20845, 93862), (26909, 72710), (36355, 53818), (41690, 46931)]