2112361825

素因数分解:

$5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 3129710400

約数和(自身を除く): 1017348575

約数列:

[1, 5, 7, 25, 35, 49, 71, 149, 163, 175, 245, 355, 497, 745, 815, 1043, 1141, 1225, 1775, 2485, 3479, 3725, 4075, 5215, 5705, 7301, 7987, 10579, 11573, 12425, 17395, 24287, 26075, 28525, 36505, 39935, 52895, 57865, 74053, 81011, 86975, 121435, 170009, 182525, 199675, 264475, 289325, 370265, 405055, 518371, 567077, 607175, 850045, 1190063, 1724377, 1851325, 2025275, 2591855, 2835385, 4250225, 5950315, 8621885, 12070639, 12959275, 14176925, 29751575, 43109425, 60353195, 84494473, 301765975, 422472365, 2112361825]

約数ペア:

[(1, 2112361825), (5, 422472365), (7, 301765975), (25, 84494473), (35, 60353195), (49, 43109425), (71, 29751575), (149, 14176925), (163, 12959275), (175, 12070639), (245, 8621885), (355, 5950315), (497, 4250225), (745, 2835385), (815, 2591855), (1043, 2025275), (1141, 1851325), (1225, 1724377), (1775, 1190063), (2485, 850045), (3479, 607175), (3725, 567077), (4075, 518371), (5215, 405055), (5705, 370265), (7301, 289325), (7987, 264475), (10579, 199675), (11573, 182525), (12425, 170009), (17395, 121435), (24287, 86975), (26075, 81011), (28525, 74053), (36505, 57865), (39935, 52895)]