257020400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:368

約数の個数: 240

約数和(自身を含む): 795615744

約数和(自身を除く): 538595344

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 25, 26, 28, 35, 40, 46, 50, 52, 56, 65, 70, 80, 91, 92, 100, 104, 112, 115, 130, 140, 161, 175, 182, 184, 200, 208, 230, 260, 280, 299, 307, 322, 325, 350, 364, 368, 400, 455, 460, 520, 560, 575, 598, 614, 644, 650, 700, 728, 805, 910, 920, 1040, 1150, 1196, 1228, 1288, 1300, 1400, 1456, 1495, 1535, 1610, 1820, 1840, 2093, 2149, 2275, 2300, 2392, 2456, 2576, 2600, 2800, 2990, 3070, 3220, 3640, 3991, 4025, 4186, 4298, 4550, 4600, 4784, 4912, 5200, 5980, 6140, 6440, 7061, 7280, 7475, 7675, 7982, 8050, 8372, 8596, 9100, 9200, 10465, 10745, 11960, 12280, 12880, 14122, 14950, 15350, 15964, 16100, 16744, 17192, 18200, 19955, 20930, 21490, 23920, 24560, 27937, 28244, 29900, 30700, 31928, 32200, 33488, 34384, 35305, 36400, 39910, 41860, 42980, 49427, 52325, 53725, 55874, 56488, 59800, 61400, 63856, 64400, 70610, 79820, 83720, 85960, 91793, 98854, 99775, 104650, 107450, 111748, 112976, 119600, 122800, 139685, 141220, 159640, 167440, 171920, 176525, 183586, 197708, 199550, 209300, 214900, 223496, 247135, 279370, 282440, 319280, 353050, 367172, 395416, 399100, 418600, 429800, 446992, 458965, 494270, 558740, 564880, 642551, 698425, 706100, 734344, 790832, 798200, 837200, 859600, 917930, 988540, 1117480, 1235675, 1285102, 1396850, 1412200, 1468688, 1596400, 1835860, 1977080, 2234960, 2294825, 2471350, 2570204, 2793700, 2824400, 3212755, 3671720, 3954160, 4589650, 4942700, 5140408, 5587400, 6425510, 7343440, 9179300, 9885400, 10280816, 11174800, 12851020, 16063775, 18358600, 19770800, 25702040, 32127550, 36717200, 51404080, 64255100, 128510200, 257020400]

約数ペア:

[(1, 257020400), (2, 128510200), (4, 64255100), (5, 51404080), (7, 36717200), (8, 32127550), (10, 25702040), (13, 19770800), (14, 18358600), (16, 16063775), (20, 12851020), (23, 11174800), (25, 10280816), (26, 9885400), (28, 9179300), (35, 7343440), (40, 6425510), (46, 5587400), (50, 5140408), (52, 4942700), (56, 4589650), (65, 3954160), (70, 3671720), (80, 3212755), (91, 2824400), (92, 2793700), (100, 2570204), (104, 2471350), (112, 2294825), (115, 2234960), (130, 1977080), (140, 1835860), (161, 1596400), (175, 1468688), (182, 1412200), (184, 1396850), (200, 1285102), (208, 1235675), (230, 1117480), (260, 988540), (280, 917930), (299, 859600), (307, 837200), (322, 798200), (325, 790832), (350, 734344), (364, 706100), (368, 698425), (400, 642551), (455, 564880), (460, 558740), (520, 494270), (560, 458965), (575, 446992), (598, 429800), (614, 418600), (644, 399100), (650, 395416), (700, 367172), (728, 353050), (805, 319280), (910, 282440), (920, 279370), (1040, 247135), (1150, 223496), (1196, 214900), (1228, 209300), (1288, 199550), (1300, 197708), (1400, 183586), (1456, 176525), (1495, 171920), (1535, 167440), (1610, 159640), (1820, 141220), (1840, 139685), (2093, 122800), (2149, 119600), (2275, 112976), (2300, 111748), (2392, 107450), (2456, 104650), (2576, 99775), (2600, 98854), (2800, 91793), (2990, 85960), (3070, 83720), (3220, 79820), (3640, 70610), (3991, 64400), (4025, 63856), (4186, 61400), (4298, 59800), (4550, 56488), (4600, 55874), (4784, 53725), (4912, 52325), (5200, 49427), (5980, 42980), (6140, 41860), (6440, 39910), (7061, 36400), (7280, 35305), (7475, 34384), (7675, 33488), (7982, 32200), (8050, 31928), (8372, 30700), (8596, 29900), (9100, 28244), (9200, 27937), (10465, 24560), (10745, 23920), (11960, 21490), (12280, 20930), (12880, 19955), (14122, 18200), (14950, 17192), (15350, 16744), (15964, 16100)]