1698620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1103}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 4451328

約数和(自身を除く): 2752708

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1103, 1540, 2206, 4412, 5515, 7721, 11030, 12133, 15442, 22060, 24266, 30884, 38605, 48532, 60665, 77210, 84931, 121330, 154420, 169862, 242660, 339724, 424655, 849310, 1698620]

約数ペア:

[(1, 1698620), (2, 849310), (4, 424655), (5, 339724), (7, 242660), (10, 169862), (11, 154420), (14, 121330), (20, 84931), (22, 77210), (28, 60665), (35, 48532), (44, 38605), (55, 30884), (70, 24266), (77, 22060), (110, 15442), (140, 12133), (154, 11030), (220, 7721), (308, 5515), (385, 4412), (770, 2206), (1103, 1540)]