31352420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 77728896

約数和(自身を除く): 46376476

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 83, 85, 101, 110, 166, 170, 187, 202, 220, 332, 340, 374, 404, 415, 505, 748, 830, 913, 935, 1010, 1111, 1411, 1660, 1717, 1826, 1870, 2020, 2222, 2822, 3434, 3652, 3740, 4444, 4565, 5555, 5644, 6868, 7055, 8383, 8585, 9130, 11110, 14110, 15521, 16766, 17170, 18260, 18887, 22220, 28220, 31042, 33532, 34340, 37774, 41915, 62084, 75548, 77605, 83830, 92213, 94435, 142511, 155210, 167660, 184426, 188870, 285022, 310420, 368852, 377740, 461065, 570044, 712555, 922130, 1425110, 1567621, 1844260, 2850220, 3135242, 6270484, 7838105, 15676210, 31352420]

約数ペア:

[(1, 31352420), (2, 15676210), (4, 7838105), (5, 6270484), (10, 3135242), (11, 2850220), (17, 1844260), (20, 1567621), (22, 1425110), (34, 922130), (44, 712555), (55, 570044), (68, 461065), (83, 377740), (85, 368852), (101, 310420), (110, 285022), (166, 188870), (170, 184426), (187, 167660), (202, 155210), (220, 142511), (332, 94435), (340, 92213), (374, 83830), (404, 77605), (415, 75548), (505, 62084), (748, 41915), (830, 37774), (913, 34340), (935, 33532), (1010, 31042), (1111, 28220), (1411, 22220), (1660, 18887), (1717, 18260), (1826, 17170), (1870, 16766), (2020, 15521), (2222, 14110), (2822, 11110), (3434, 9130), (3652, 8585), (3740, 8383), (4444, 7055), (4565, 6868), (5555, 5644)]