621207400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:236

約数の個数: 192

約数和(自身を含む): 1653644160

約数和(自身を除く): 1032436760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 41, 44, 50, 55, 71, 82, 88, 97, 100, 110, 142, 164, 194, 200, 205, 220, 275, 284, 328, 355, 388, 410, 440, 451, 485, 550, 568, 710, 776, 781, 820, 902, 970, 1025, 1067, 1100, 1420, 1562, 1640, 1775, 1804, 1940, 2050, 2134, 2200, 2255, 2425, 2840, 2911, 3124, 3550, 3608, 3880, 3905, 3977, 4100, 4268, 4510, 4850, 5335, 5822, 6248, 6887, 7100, 7810, 7954, 8200, 8536, 9020, 9700, 10670, 11275, 11644, 13774, 14200, 14555, 15620, 15908, 18040, 19400, 19525, 19885, 21340, 22550, 23288, 26675, 27548, 29110, 31240, 31816, 32021, 34435, 39050, 39770, 42680, 43747, 45100, 53350, 55096, 58220, 64042, 68870, 72775, 75757, 78100, 79540, 87494, 90200, 99425, 106700, 116440, 128084, 137740, 145550, 151514, 156200, 159080, 160105, 172175, 174988, 198850, 213400, 218735, 256168, 275480, 282367, 291100, 303028, 320210, 344350, 349976, 378785, 397700, 437470, 564734, 582200, 606056, 640420, 688700, 757570, 795400, 800525, 874940, 1093675, 1129468, 1280840, 1377400, 1411835, 1515140, 1601050, 1749880, 1893925, 2187350, 2258936, 2823670, 3030280, 3106037, 3202100, 3787850, 4374700, 5647340, 6212074, 6404200, 7059175, 7575700, 8749400, 11294680, 12424148, 14118350, 15151400, 15530185, 24848296, 28236700, 31060370, 56473400, 62120740, 77650925, 124241480, 155301850, 310603700, 621207400]

約数ペア:

[(1, 621207400), (2, 310603700), (4, 155301850), (5, 124241480), (8, 77650925), (10, 62120740), (11, 56473400), (20, 31060370), (22, 28236700), (25, 24848296), (40, 15530185), (41, 15151400), (44, 14118350), (50, 12424148), (55, 11294680), (71, 8749400), (82, 7575700), (88, 7059175), (97, 6404200), (100, 6212074), (110, 5647340), (142, 4374700), (164, 3787850), (194, 3202100), (200, 3106037), (205, 3030280), (220, 2823670), (275, 2258936), (284, 2187350), (328, 1893925), (355, 1749880), (388, 1601050), (410, 1515140), (440, 1411835), (451, 1377400), (485, 1280840), (550, 1129468), (568, 1093675), (710, 874940), (776, 800525), (781, 795400), (820, 757570), (902, 688700), (970, 640420), (1025, 606056), (1067, 582200), (1100, 564734), (1420, 437470), (1562, 397700), (1640, 378785), (1775, 349976), (1804, 344350), (1940, 320210), (2050, 303028), (2134, 291100), (2200, 282367), (2255, 275480), (2425, 256168), (2840, 218735), (2911, 213400), (3124, 198850), (3550, 174988), (3608, 172175), (3880, 160105), (3905, 159080), (3977, 156200), (4100, 151514), (4268, 145550), (4510, 137740), (4850, 128084), (5335, 116440), (5822, 106700), (6248, 99425), (6887, 90200), (7100, 87494), (7810, 79540), (7954, 78100), (8200, 75757), (8536, 72775), (9020, 68870), (9700, 64042), (10670, 58220), (11275, 55096), (11644, 53350), (13774, 45100), (14200, 43747), (14555, 42680), (15620, 39770), (15908, 39050), (18040, 34435), (19400, 32021), (19525, 31816), (19885, 31240), (21340, 29110), (22550, 27548), (23288, 26675)]