7213220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 17592960

約数和(自身を除く): 10379740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 769, 938, 1340, 1538, 1876, 2345, 3076, 3845, 4690, 5383, 7690, 9380, 10766, 15380, 21532, 26915, 51523, 53830, 103046, 107660, 206092, 257615, 360661, 515230, 721322, 1030460, 1442644, 1803305, 3606610, 7213220]

約数ペア:

[(1, 7213220), (2, 3606610), (4, 1803305), (5, 1442644), (7, 1030460), (10, 721322), (14, 515230), (20, 360661), (28, 257615), (35, 206092), (67, 107660), (70, 103046), (134, 53830), (140, 51523), (268, 26915), (335, 21532), (469, 15380), (670, 10766), (769, 9380), (938, 7690), (1340, 5383), (1538, 4690), (1876, 3845), (2345, 3076)]