437391220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{15859}}^1$

素因数の和:16072

約数の個数: 48

約数和(自身を含む): 1055134080

約数和(自身を除く): 617742860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 13790, 15859, 27580, 31718, 63436, 79295, 111013, 158590, 222026, 317180, 444052, 555065, 1110130, 2220260, 3124223, 6248446, 12496892, 15621115, 21869561, 31242230, 43739122, 62484460, 87478244, 109347805, 218695610, 437391220]

約数ペア:

[(1, 437391220), (2, 218695610), (4, 109347805), (5, 87478244), (7, 62484460), (10, 43739122), (14, 31242230), (20, 21869561), (28, 15621115), (35, 12496892), (70, 6248446), (140, 3124223), (197, 2220260), (394, 1110130), (788, 555065), (985, 444052), (1379, 317180), (1970, 222026), (2758, 158590), (3940, 111013), (5516, 79295), (6895, 63436), (13790, 31718), (15859, 27580)]