198957440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:568

約数の個数: 128

約数和(自身を含む): 528768000

約数和(自身を除く): 329810560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 59, 64, 80, 88, 110, 118, 128, 160, 176, 220, 236, 295, 320, 352, 440, 472, 479, 590, 640, 649, 704, 880, 944, 958, 1180, 1298, 1408, 1760, 1888, 1916, 2360, 2395, 2596, 3245, 3520, 3776, 3832, 4720, 4790, 5192, 5269, 6490, 7040, 7552, 7664, 9440, 9580, 10384, 10538, 12980, 15328, 18880, 19160, 20768, 21076, 25960, 26345, 28261, 30656, 37760, 38320, 41536, 42152, 51920, 52690, 56522, 61312, 76640, 83072, 84304, 103840, 105380, 113044, 141305, 153280, 168608, 207680, 210760, 226088, 282610, 306560, 310871, 337216, 415360, 421520, 452176, 565220, 621742, 674432, 843040, 904352, 1130440, 1243484, 1554355, 1686080, 1808704, 2260880, 2486968, 3108710, 3372160, 3617408, 4521760, 4973936, 6217420, 9043520, 9947872, 12434840, 18087040, 19895744, 24869680, 39791488, 49739360, 99478720, 198957440]

約数ペア:

[(1, 198957440), (2, 99478720), (4, 49739360), (5, 39791488), (8, 24869680), (10, 19895744), (11, 18087040), (16, 12434840), (20, 9947872), (22, 9043520), (32, 6217420), (40, 4973936), (44, 4521760), (55, 3617408), (59, 3372160), (64, 3108710), (80, 2486968), (88, 2260880), (110, 1808704), (118, 1686080), (128, 1554355), (160, 1243484), (176, 1130440), (220, 904352), (236, 843040), (295, 674432), (320, 621742), (352, 565220), (440, 452176), (472, 421520), (479, 415360), (590, 337216), (640, 310871), (649, 306560), (704, 282610), (880, 226088), (944, 210760), (958, 207680), (1180, 168608), (1298, 153280), (1408, 141305), (1760, 113044), (1888, 105380), (1916, 103840), (2360, 84304), (2395, 83072), (2596, 76640), (3245, 61312), (3520, 56522), (3776, 52690), (3832, 51920), (4720, 42152), (4790, 41536), (5192, 38320), (5269, 37760), (6490, 30656), (7040, 28261), (7552, 26345), (7664, 25960), (9440, 21076), (9580, 20768), (10384, 19160), (10538, 18880), (12980, 15328)]