389734400

素因数分解:

$2^{13}\times 5^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1$

素因数の和:220

約数の個数: 168

約数和(自身を含む): 1060438824

約数和(自身を除く): 670704424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 173, 176, 200, 220, 256, 275, 320, 346, 352, 400, 440, 512, 550, 640, 692, 704, 800, 865, 880, 1024, 1100, 1280, 1384, 1408, 1600, 1730, 1760, 1903, 2048, 2200, 2560, 2768, 2816, 3200, 3460, 3520, 3806, 4096, 4325, 4400, 5120, 5536, 5632, 6400, 6920, 7040, 7612, 8192, 8650, 8800, 9515, 10240, 11072, 11264, 12800, 13840, 14080, 15224, 17300, 17600, 19030, 20480, 22144, 22528, 25600, 27680, 28160, 30448, 34600, 35200, 38060, 40960, 44288, 45056, 47575, 51200, 55360, 56320, 60896, 69200, 70400, 76120, 88576, 90112, 95150, 102400, 110720, 112640, 121792, 138400, 140800, 152240, 177152, 190300, 204800, 221440, 225280, 243584, 276800, 281600, 304480, 354304, 380600, 442880, 450560, 487168, 553600, 563200, 608960, 708608, 761200, 885760, 974336, 1107200, 1126400, 1217920, 1417216, 1522400, 1771520, 1948672, 2214400, 2252800, 2435840, 3044800, 3543040, 3897344, 4428800, 4871680, 6089600, 7086080, 7794688, 8857600, 9743360, 12179200, 15589376, 17715200, 19486720, 24358400, 35430400, 38973440, 48716800, 77946880, 97433600, 194867200, 389734400]

約数ペア:

[(1, 389734400), (2, 194867200), (4, 97433600), (5, 77946880), (8, 48716800), (10, 38973440), (11, 35430400), (16, 24358400), (20, 19486720), (22, 17715200), (25, 15589376), (32, 12179200), (40, 9743360), (44, 8857600), (50, 7794688), (55, 7086080), (64, 6089600), (80, 4871680), (88, 4428800), (100, 3897344), (110, 3543040), (128, 3044800), (160, 2435840), (173, 2252800), (176, 2214400), (200, 1948672), (220, 1771520), (256, 1522400), (275, 1417216), (320, 1217920), (346, 1126400), (352, 1107200), (400, 974336), (440, 885760), (512, 761200), (550, 708608), (640, 608960), (692, 563200), (704, 553600), (800, 487168), (865, 450560), (880, 442880), (1024, 380600), (1100, 354304), (1280, 304480), (1384, 281600), (1408, 276800), (1600, 243584), (1730, 225280), (1760, 221440), (1903, 204800), (2048, 190300), (2200, 177152), (2560, 152240), (2768, 140800), (2816, 138400), (3200, 121792), (3460, 112640), (3520, 110720), (3806, 102400), (4096, 95150), (4325, 90112), (4400, 88576), (5120, 76120), (5536, 70400), (5632, 69200), (6400, 60896), (6920, 56320), (7040, 55360), (7612, 51200), (8192, 47575), (8650, 45056), (8800, 44288), (9515, 40960), (10240, 38060), (11072, 35200), (11264, 34600), (12800, 30448), (13840, 28160), (14080, 27680), (15224, 25600), (17300, 22528), (17600, 22144), (19030, 20480)]