28294420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{967}}^1$

素因数の和:1013

約数の個数: 96

約数和(自身を含む): 78059520

約数和(自身を除く): 49765100

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 665, 770, 836, 967, 1045, 1330, 1463, 1540, 1934, 2090, 2660, 2926, 3868, 4180, 4835, 5852, 6769, 7315, 9670, 10637, 13538, 14630, 18373, 19340, 21274, 27076, 29260, 33845, 36746, 42548, 53185, 67690, 73492, 74459, 91865, 106370, 128611, 135380, 148918, 183730, 202103, 212740, 257222, 297836, 367460, 372295, 404206, 514444, 643055, 744590, 808412, 1010515, 1286110, 1414721, 1489180, 2021030, 2572220, 2829442, 4042060, 5658884, 7073605, 14147210, 28294420]

約数ペア:

[(1, 28294420), (2, 14147210), (4, 7073605), (5, 5658884), (7, 4042060), (10, 2829442), (11, 2572220), (14, 2021030), (19, 1489180), (20, 1414721), (22, 1286110), (28, 1010515), (35, 808412), (38, 744590), (44, 643055), (55, 514444), (70, 404206), (76, 372295), (77, 367460), (95, 297836), (110, 257222), (133, 212740), (140, 202103), (154, 183730), (190, 148918), (209, 135380), (220, 128611), (266, 106370), (308, 91865), (380, 74459), (385, 73492), (418, 67690), (532, 53185), (665, 42548), (770, 36746), (836, 33845), (967, 29260), (1045, 27076), (1330, 21274), (1463, 19340), (1540, 18373), (1934, 14630), (2090, 13538), (2660, 10637), (2926, 9670), (3868, 7315), (4180, 6769), (4835, 5852)]