1337648620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{868603}}^1$

素因数の和:868630

約数の個数: 48

約数和(自身を含む): 3502211328

約数和(自身を除く): 2164562708

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, 1540, 868603, 1737206, 3474412, 4343015, 6080221, 8686030, 9554633, 12160442, 17372060, 19109266, 24320884, 30401105, 38218532, 47773165, 60802210, 66882431, 95546330, 121604420, 133764862, 191092660, 267529724, 334412155, 668824310, 1337648620]

約数ペア:

[(1, 1337648620), (2, 668824310), (4, 334412155), (5, 267529724), (7, 191092660), (10, 133764862), (11, 121604420), (14, 95546330), (20, 66882431), (22, 60802210), (28, 47773165), (35, 38218532), (44, 30401105), (55, 24320884), (70, 19109266), (77, 17372060), (110, 12160442), (140, 9554633), (154, 8686030), (220, 6080221), (308, 4343015), (385, 3474412), (770, 1737206), (1540, 868603)]