390339952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{12713}}^1$

素因数の和:12841

約数の個数: 40

約数和(自身を含む): 804033360

約数和(自身を除く): 413693408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 202, 304, 404, 808, 1616, 1919, 3838, 7676, 12713, 15352, 25426, 30704, 50852, 101704, 203408, 241547, 483094, 966188, 1284013, 1932376, 2568026, 3864752, 5136052, 10272104, 20544208, 24396247, 48792494, 97584988, 195169976, 390339952]

約数ペア:

[(1, 390339952), (2, 195169976), (4, 97584988), (8, 48792494), (16, 24396247), (19, 20544208), (38, 10272104), (76, 5136052), (101, 3864752), (152, 2568026), (202, 1932376), (304, 1284013), (404, 966188), (808, 483094), (1616, 241547), (1919, 203408), (3838, 101704), (7676, 50852), (12713, 30704), (15352, 25426)]