40784268

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 111720000

約数和(自身を除く): 70935732

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 139, 147, 196, 278, 294, 417, 499, 556, 588, 834, 973, 998, 1497, 1668, 1946, 1996, 2919, 2994, 3493, 3892, 5838, 5988, 6811, 6986, 10479, 11676, 13622, 13972, 20433, 20958, 24451, 27244, 40866, 41916, 48902, 69361, 73353, 81732, 97804, 138722, 146706, 208083, 277444, 293412, 416166, 485527, 832332, 971054, 1456581, 1942108, 2913162, 3398689, 5826324, 6797378, 10196067, 13594756, 20392134, 40784268]

約数ペア:

[(1, 40784268), (2, 20392134), (3, 13594756), (4, 10196067), (6, 6797378), (7, 5826324), (12, 3398689), (14, 2913162), (21, 1942108), (28, 1456581), (42, 971054), (49, 832332), (84, 485527), (98, 416166), (139, 293412), (147, 277444), (196, 208083), (278, 146706), (294, 138722), (417, 97804), (499, 81732), (556, 73353), (588, 69361), (834, 48902), (973, 41916), (998, 40866), (1497, 27244), (1668, 24451), (1946, 20958), (1996, 20433), (2919, 13972), (2994, 13622), (3493, 11676), (3892, 10479), (5838, 6986), (5988, 6811)]