200901920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{317}}^1$

素因数の和:582

約数の個数: 96

約数和(自身を含む): 506299248

約数和(自身を除く): 305397328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 233, 272, 317, 340, 466, 544, 634, 680, 932, 1165, 1268, 1360, 1585, 1864, 2330, 2536, 2720, 3170, 3728, 3961, 4660, 5072, 5389, 6340, 7456, 7922, 9320, 10144, 10778, 12680, 15844, 18640, 19805, 21556, 25360, 26945, 31688, 37280, 39610, 43112, 50720, 53890, 63376, 73861, 79220, 86224, 107780, 126752, 147722, 158440, 172448, 215560, 295444, 316880, 369305, 431120, 590888, 633760, 738610, 862240, 1181776, 1255637, 1477220, 2363552, 2511274, 2954440, 5022548, 5908880, 6278185, 10045096, 11817760, 12556370, 20090192, 25112740, 40180384, 50225480, 100450960, 200901920]

約数ペア:

[(1, 200901920), (2, 100450960), (4, 50225480), (5, 40180384), (8, 25112740), (10, 20090192), (16, 12556370), (17, 11817760), (20, 10045096), (32, 6278185), (34, 5908880), (40, 5022548), (68, 2954440), (80, 2511274), (85, 2363552), (136, 1477220), (160, 1255637), (170, 1181776), (233, 862240), (272, 738610), (317, 633760), (340, 590888), (466, 431120), (544, 369305), (634, 316880), (680, 295444), (932, 215560), (1165, 172448), (1268, 158440), (1360, 147722), (1585, 126752), (1864, 107780), (2330, 86224), (2536, 79220), (2720, 73861), (3170, 63376), (3728, 53890), (3961, 50720), (4660, 43112), (5072, 39610), (5389, 37280), (6340, 31688), (7456, 26945), (7922, 25360), (9320, 21556), (10144, 19805), (10778, 18640), (12680, 15844)]