198185940

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 192

約数和(自身を含む): 654635520

約数和(自身を除く): 456449580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 197, 207, 230, 243, 270, 276, 324, 345, 394, 405, 414, 460, 486, 540, 591, 621, 690, 729, 788, 810, 828, 972, 985, 1035, 1182, 1215, 1242, 1380, 1458, 1620, 1773, 1863, 1970, 2070, 2187, 2364, 2430, 2484, 2916, 2955, 3105, 3546, 3645, 3726, 3940, 4140, 4374, 4531, 4860, 5319, 5589, 5910, 6210, 7092, 7290, 7452, 8748, 8865, 9062, 9315, 10638, 10935, 11178, 11820, 12420, 13593, 14580, 15957, 16767, 17730, 18124, 18630, 21276, 21870, 22356, 22655, 26595, 27186, 27945, 31914, 33534, 35460, 37260, 40779, 43740, 45310, 47871, 50301, 53190, 54372, 55890, 63828, 67068, 67965, 79785, 81558, 83835, 90620, 95742, 100602, 106380, 111780, 122337, 135930, 143613, 159570, 163116, 167670, 191484, 201204, 203895, 239355, 244674, 251505, 271860, 287226, 319140, 335340, 367011, 407790, 430839, 478710, 489348, 503010, 574452, 611685, 718065, 734022, 815580, 861678, 957420, 1006020, 1101033, 1223370, 1436130, 1468044, 1723356, 1835055, 2154195, 2202066, 2446740, 2872260, 3303099, 3670110, 4308390, 4404132, 5505165, 6606198, 7340220, 8616780, 9909297, 11010330, 13212396, 16515495, 19818594, 22020660, 33030990, 39637188, 49546485, 66061980, 99092970, 198185940]

約数ペア:

[(1, 198185940), (2, 99092970), (3, 66061980), (4, 49546485), (5, 39637188), (6, 33030990), (9, 22020660), (10, 19818594), (12, 16515495), (15, 13212396), (18, 11010330), (20, 9909297), (23, 8616780), (27, 7340220), (30, 6606198), (36, 5505165), (45, 4404132), (46, 4308390), (54, 3670110), (60, 3303099), (69, 2872260), (81, 2446740), (90, 2202066), (92, 2154195), (108, 1835055), (115, 1723356), (135, 1468044), (138, 1436130), (162, 1223370), (180, 1101033), (197, 1006020), (207, 957420), (230, 861678), (243, 815580), (270, 734022), (276, 718065), (324, 611685), (345, 574452), (394, 503010), (405, 489348), (414, 478710), (460, 430839), (486, 407790), (540, 367011), (591, 335340), (621, 319140), (690, 287226), (729, 271860), (788, 251505), (810, 244674), (828, 239355), (972, 203895), (985, 201204), (1035, 191484), (1182, 167670), (1215, 163116), (1242, 159570), (1380, 143613), (1458, 135930), (1620, 122337), (1773, 111780), (1863, 106380), (1970, 100602), (2070, 95742), (2187, 90620), (2364, 83835), (2430, 81558), (2484, 79785), (2916, 67965), (2955, 67068), (3105, 63828), (3546, 55890), (3645, 54372), (3726, 53190), (3940, 50301), (4140, 47871), (4374, 45310), (4531, 43740), (4860, 40779), (5319, 37260), (5589, 35460), (5910, 33534), (6210, 31914), (7092, 27945), (7290, 27186), (7452, 26595), (8748, 22655), (8865, 22356), (9062, 21870), (9315, 21276), (10638, 18630), (10935, 18124), (11178, 17730), (11820, 16767), (12420, 15957), (13593, 14580)]