68028268

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 152832960

約数和(自身を除く): 84804692

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 139, 154, 196, 227, 278, 308, 454, 539, 556, 908, 973, 1078, 1529, 1589, 1946, 2156, 2497, 3058, 3178, 3892, 4994, 6116, 6356, 6811, 9988, 10703, 11123, 13622, 17479, 21406, 22246, 27244, 31553, 34958, 42812, 44492, 63106, 69916, 74921, 122353, 126212, 149842, 220871, 244706, 299684, 347083, 441742, 489412, 694166, 883484, 1388332, 1546097, 2429581, 3092194, 4859162, 6184388, 9718324, 17007067, 34014134, 68028268]

約数ペア:

[(1, 68028268), (2, 34014134), (4, 17007067), (7, 9718324), (11, 6184388), (14, 4859162), (22, 3092194), (28, 2429581), (44, 1546097), (49, 1388332), (77, 883484), (98, 694166), (139, 489412), (154, 441742), (196, 347083), (227, 299684), (278, 244706), (308, 220871), (454, 149842), (539, 126212), (556, 122353), (908, 74921), (973, 69916), (1078, 63106), (1529, 44492), (1589, 42812), (1946, 34958), (2156, 31553), (2497, 27244), (3058, 22246), (3178, 21406), (3892, 17479), (4994, 13622), (6116, 11123), (6356, 10703), (6811, 9988)]