215041904

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7589}}^1$

素因数の和:7638

約数の個数: 80

約数和(自身を含む): 542108160

約数和(自身を除く): 327066256

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 56, 77, 88, 92, 112, 154, 161, 176, 184, 253, 308, 322, 368, 506, 616, 644, 1012, 1232, 1288, 1771, 2024, 2576, 3542, 4048, 7084, 7589, 14168, 15178, 28336, 30356, 53123, 60712, 83479, 106246, 121424, 166958, 174547, 212492, 333916, 349094, 424984, 584353, 667832, 698188, 849968, 1168706, 1221829, 1335664, 1396376, 1920017, 2337412, 2443658, 2792752, 3840034, 4674824, 4887316, 7680068, 9349648, 9774632, 13440119, 15360136, 19549264, 26880238, 30720272, 53760476, 107520952, 215041904]

約数ペア:

[(1, 215041904), (2, 107520952), (4, 53760476), (7, 30720272), (8, 26880238), (11, 19549264), (14, 15360136), (16, 13440119), (22, 9774632), (23, 9349648), (28, 7680068), (44, 4887316), (46, 4674824), (56, 3840034), (77, 2792752), (88, 2443658), (92, 2337412), (112, 1920017), (154, 1396376), (161, 1335664), (176, 1221829), (184, 1168706), (253, 849968), (308, 698188), (322, 667832), (368, 584353), (506, 424984), (616, 349094), (644, 333916), (1012, 212492), (1232, 174547), (1288, 166958), (1771, 121424), (2024, 106246), (2576, 83479), (3542, 60712), (4048, 53123), (7084, 30356), (7589, 28336), (14168, 15178)]