18879809725

素因数分解:

$5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{34501}}^1$

素因数の和:34630

約数の個数: 48

約数和(自身を含む): 27723047040

約数和(自身を除く): 8843237315

約数列:

[1, 5, 7, 25, 35, 53, 59, 175, 265, 295, 371, 413, 1325, 1475, 1855, 2065, 3127, 9275, 10325, 15635, 21889, 34501, 78175, 109445, 172505, 241507, 547225, 862525, 1207535, 1828553, 2035559, 6037675, 9142765, 10177795, 12799871, 14248913, 45713825, 50888975, 63999355, 71244565, 107884627, 319996775, 356222825, 539423135, 755192389, 2697115675, 3775961945, 18879809725]

約数ペア:

[(1, 18879809725), (5, 3775961945), (7, 2697115675), (25, 755192389), (35, 539423135), (53, 356222825), (59, 319996775), (175, 107884627), (265, 71244565), (295, 63999355), (371, 50888975), (413, 45713825), (1325, 14248913), (1475, 12799871), (1855, 10177795), (2065, 9142765), (3127, 6037675), (9275, 2035559), (10325, 1828553), (15635, 1207535), (21889, 862525), (34501, 547225), (78175, 241507), (109445, 172505)]