24700900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{71}}^2$

素因数の和:170

約数の個数: 81

約数和(自身を含む): 63242697

約数和(自身を除く): 38541797

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 71, 98, 100, 140, 142, 175, 196, 245, 284, 350, 355, 490, 497, 700, 710, 980, 994, 1225, 1420, 1775, 1988, 2450, 2485, 3479, 3550, 4900, 4970, 5041, 6958, 7100, 9940, 10082, 12425, 13916, 17395, 20164, 24850, 25205, 34790, 35287, 49700, 50410, 69580, 70574, 86975, 100820, 126025, 141148, 173950, 176435, 247009, 252050, 347900, 352870, 494018, 504100, 705740, 882175, 988036, 1235045, 1764350, 2470090, 3528700, 4940180, 6175225, 12350450, 24700900]

約数ペア:

[(1, 24700900), (2, 12350450), (4, 6175225), (5, 4940180), (7, 3528700), (10, 2470090), (14, 1764350), (20, 1235045), (25, 988036), (28, 882175), (35, 705740), (49, 504100), (50, 494018), (70, 352870), (71, 347900), (98, 252050), (100, 247009), (140, 176435), (142, 173950), (175, 141148), (196, 126025), (245, 100820), (284, 86975), (350, 70574), (355, 69580), (490, 50410), (497, 49700), (700, 35287), (710, 34790), (980, 25205), (994, 24850), (1225, 20164), (1420, 17395), (1775, 13916), (1988, 12425), (2450, 10082), (2485, 9940), (3479, 7100), (3550, 6958), (4900, 5041)]