7328161820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{539629}}^1$

素因数の和:539742

約数の個数: 48

約数和(自身を含む): 17768936640

約数和(自身を除く): 10440774820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13580, 539629, 1079258, 2158516, 2698145, 3777403, 5396290, 7554806, 10792580, 15109612, 18887015, 37774030, 52344013, 75548060, 104688026, 209376052, 261720065, 366408091, 523440130, 732816182, 1046880260, 1465632364, 1832040455, 3664080910, 7328161820]

約数ペア:

[(1, 7328161820), (2, 3664080910), (4, 1832040455), (5, 1465632364), (7, 1046880260), (10, 732816182), (14, 523440130), (20, 366408091), (28, 261720065), (35, 209376052), (70, 104688026), (97, 75548060), (140, 52344013), (194, 37774030), (388, 18887015), (485, 15109612), (679, 10792580), (970, 7554806), (1358, 5396290), (1940, 3777403), (2716, 2698145), (3395, 2158516), (6790, 1079258), (13580, 539629)]