217406980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{6841}}^1$

素因数の和:7084

約数の個数: 48

約数和(自身を含む): 524151936

約数和(自身を除く): 306744956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2270, 3178, 4540, 6356, 6841, 7945, 13682, 15890, 27364, 31780, 34205, 47887, 68410, 95774, 136820, 191548, 239435, 478870, 957740, 1552907, 3105814, 6211628, 7764535, 10870349, 15529070, 21740698, 31058140, 43481396, 54351745, 108703490, 217406980]

約数ペア:

[(1, 217406980), (2, 108703490), (4, 54351745), (5, 43481396), (7, 31058140), (10, 21740698), (14, 15529070), (20, 10870349), (28, 7764535), (35, 6211628), (70, 3105814), (140, 1552907), (227, 957740), (454, 478870), (908, 239435), (1135, 191548), (1589, 136820), (2270, 95774), (3178, 68410), (4540, 47887), (6356, 34205), (6841, 31780), (7945, 27364), (13682, 15890)]