201866980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21521}}^1$

素因数の和:21604

約数の個数: 48

約数和(自身を含む): 491734656

約数和(自身を除く): 289867676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 21521, 43042, 86084, 107605, 150647, 215210, 301294, 430420, 602588, 753235, 1441907, 1506470, 2883814, 3012940, 5767628, 7209535, 10093349, 14419070, 20186698, 28838140, 40373396, 50466745, 100933490, 201866980]

約数ペア:

[(1, 201866980), (2, 100933490), (4, 50466745), (5, 40373396), (7, 28838140), (10, 20186698), (14, 14419070), (20, 10093349), (28, 7209535), (35, 5767628), (67, 3012940), (70, 2883814), (134, 1506470), (140, 1441907), (268, 753235), (335, 602588), (469, 430420), (670, 301294), (938, 215210), (1340, 150647), (1876, 107605), (2345, 86084), (4690, 43042), (9380, 21521)]