518504525

素因数分解:

$5^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 857088000

約数和(自身を除く): 338583475

約数列:

[1, 5, 7, 11, 23, 25, 35, 49, 55, 77, 115, 161, 175, 239, 245, 253, 275, 343, 385, 539, 575, 805, 1127, 1195, 1225, 1265, 1673, 1715, 1771, 1925, 2629, 2695, 3773, 4025, 5497, 5635, 5975, 6325, 7889, 8365, 8575, 8855, 11711, 12397, 13145, 13475, 18403, 18865, 27485, 28175, 38479, 39445, 41825, 44275, 58555, 60467, 61985, 65725, 81977, 86779, 92015, 94325, 128821, 137425, 192395, 197225, 269353, 292775, 302335, 309925, 409885, 423269, 433895, 460075, 644105, 901747, 961975, 1346765, 1511675, 1885471, 2049425, 2116345, 2169475, 2962883, 3220525, 4508735, 6733825, 9427355, 10581725, 14814415, 20740181, 22543675, 47136775, 74072075, 103700905, 518504525]

約数ペア:

[(1, 518504525), (5, 103700905), (7, 74072075), (11, 47136775), (23, 22543675), (25, 20740181), (35, 14814415), (49, 10581725), (55, 9427355), (77, 6733825), (115, 4508735), (161, 3220525), (175, 2962883), (239, 2169475), (245, 2116345), (253, 2049425), (275, 1885471), (343, 1511675), (385, 1346765), (539, 961975), (575, 901747), (805, 644105), (1127, 460075), (1195, 433895), (1225, 423269), (1265, 409885), (1673, 309925), (1715, 302335), (1771, 292775), (1925, 269353), (2629, 197225), (2695, 192395), (3773, 137425), (4025, 128821), (5497, 94325), (5635, 92015), (5975, 86779), (6325, 81977), (7889, 65725), (8365, 61985), (8575, 60467), (8855, 58555), (11711, 44275), (12397, 41825), (13145, 39445), (13475, 38479), (18403, 28175), (18865, 27485)]