219990400

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 288

約数和(自身を含む): 670470480

約数和(自身を除く): 450480080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 49, 50, 56, 61, 64, 70, 80, 92, 98, 100, 112, 115, 122, 128, 140, 160, 161, 175, 184, 196, 200, 224, 230, 244, 245, 280, 305, 320, 322, 350, 368, 392, 400, 427, 448, 460, 488, 490, 560, 575, 610, 640, 644, 700, 736, 784, 800, 805, 854, 896, 920, 976, 980, 1120, 1127, 1150, 1220, 1225, 1288, 1400, 1403, 1472, 1525, 1568, 1600, 1610, 1708, 1840, 1952, 1960, 2135, 2240, 2254, 2300, 2440, 2450, 2576, 2800, 2806, 2944, 2989, 3050, 3136, 3200, 3220, 3416, 3680, 3904, 3920, 4025, 4270, 4480, 4508, 4600, 4880, 4900, 5152, 5600, 5612, 5635, 5978, 6100, 6272, 6440, 6832, 7015, 7360, 7808, 7840, 8050, 8540, 9016, 9200, 9760, 9800, 9821, 10304, 10675, 11200, 11224, 11270, 11956, 12200, 12880, 13664, 14030, 14720, 14945, 15680, 16100, 17080, 18032, 18400, 19520, 19600, 19642, 20608, 21350, 22400, 22448, 22540, 23912, 24400, 25760, 27328, 28060, 28175, 29890, 31360, 32200, 34160, 35075, 36064, 36800, 39040, 39200, 39284, 42700, 44896, 45080, 47824, 48800, 49105, 51520, 54656, 56120, 56350, 59780, 64400, 68320, 68747, 70150, 72128, 73600, 74725, 78400, 78568, 85400, 89792, 90160, 95648, 97600, 98210, 103040, 112240, 112700, 119560, 128800, 136640, 137494, 140300, 144256, 149450, 156800, 157136, 170800, 179584, 180320, 191296, 195200, 196420, 224480, 225400, 239120, 245525, 257600, 273280, 274988, 280600, 298900, 314272, 341600, 343735, 360640, 382592, 392840, 448960, 450800, 478240, 491050, 515200, 549976, 561200, 597800, 628544, 683200, 687470, 721280, 785680, 897920, 901600, 956480, 982100, 1099952, 1122400, 1195600, 1257088, 1366400, 1374940, 1571360, 1718675, 1803200, 1912960, 1964200, 2199904, 2244800, 2391200, 2749880, 3142720, 3437350, 3606400, 3928400, 4399808, 4489600, 4782400, 5499760, 6285440, 6874700, 7856800, 8799616, 9564800, 10999520, 13749400, 15713600, 21999040, 27498800, 31427200, 43998080, 54997600, 109995200, 219990400]

約数ペア:

[(1, 219990400), (2, 109995200), (4, 54997600), (5, 43998080), (7, 31427200), (8, 27498800), (10, 21999040), (14, 15713600), (16, 13749400), (20, 10999520), (23, 9564800), (25, 8799616), (28, 7856800), (32, 6874700), (35, 6285440), (40, 5499760), (46, 4782400), (49, 4489600), (50, 4399808), (56, 3928400), (61, 3606400), (64, 3437350), (70, 3142720), (80, 2749880), (92, 2391200), (98, 2244800), (100, 2199904), (112, 1964200), (115, 1912960), (122, 1803200), (128, 1718675), (140, 1571360), (160, 1374940), (161, 1366400), (175, 1257088), (184, 1195600), (196, 1122400), (200, 1099952), (224, 982100), (230, 956480), (244, 901600), (245, 897920), (280, 785680), (305, 721280), (320, 687470), (322, 683200), (350, 628544), (368, 597800), (392, 561200), (400, 549976), (427, 515200), (448, 491050), (460, 478240), (488, 450800), (490, 448960), (560, 392840), (575, 382592), (610, 360640), (640, 343735), (644, 341600), (700, 314272), (736, 298900), (784, 280600), (800, 274988), (805, 273280), (854, 257600), (896, 245525), (920, 239120), (976, 225400), (980, 224480), (1120, 196420), (1127, 195200), (1150, 191296), (1220, 180320), (1225, 179584), (1288, 170800), (1400, 157136), (1403, 156800), (1472, 149450), (1525, 144256), (1568, 140300), (1600, 137494), (1610, 136640), (1708, 128800), (1840, 119560), (1952, 112700), (1960, 112240), (2135, 103040), (2240, 98210), (2254, 97600), (2300, 95648), (2440, 90160), (2450, 89792), (2576, 85400), (2800, 78568), (2806, 78400), (2944, 74725), (2989, 73600), (3050, 72128), (3136, 70150), (3200, 68747), (3220, 68320), (3416, 64400), (3680, 59780), (3904, 56350), (3920, 56120), (4025, 54656), (4270, 51520), (4480, 49105), (4508, 48800), (4600, 47824), (4880, 45080), (4900, 44896), (5152, 42700), (5600, 39284), (5612, 39200), (5635, 39040), (5978, 36800), (6100, 36064), (6272, 35075), (6440, 34160), (6832, 32200), (7015, 31360), (7360, 29890), (7808, 28175), (7840, 28060), (8050, 27328), (8540, 25760), (9016, 24400), (9200, 23912), (9760, 22540), (9800, 22448), (9821, 22400), (10304, 21350), (10675, 20608), (11200, 19642), (11224, 19600), (11270, 19520), (11956, 18400), (12200, 18032), (12880, 17080), (13664, 16100), (14030, 15680), (14720, 14945)]