17397520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 47282688

約数和(自身を除く): 29885168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 661, 752, 940, 1316, 1322, 1645, 1880, 2632, 2644, 3290, 3305, 3760, 4627, 5264, 5288, 6580, 6610, 9254, 10576, 13160, 13220, 18508, 23135, 26320, 26440, 31067, 37016, 46270, 52880, 62134, 74032, 92540, 124268, 155335, 185080, 217469, 248536, 310670, 370160, 434938, 497072, 621340, 869876, 1087345, 1242680, 1739752, 2174690, 2485360, 3479504, 4349380, 8698760, 17397520]

約数ペア:

[(1, 17397520), (2, 8698760), (4, 4349380), (5, 3479504), (7, 2485360), (8, 2174690), (10, 1739752), (14, 1242680), (16, 1087345), (20, 869876), (28, 621340), (35, 497072), (40, 434938), (47, 370160), (56, 310670), (70, 248536), (80, 217469), (94, 185080), (112, 155335), (140, 124268), (188, 92540), (235, 74032), (280, 62134), (329, 52880), (376, 46270), (470, 37016), (560, 31067), (658, 26440), (661, 26320), (752, 23135), (940, 18508), (1316, 13220), (1322, 13160), (1645, 10576), (1880, 9254), (2632, 6610), (2644, 6580), (3290, 5288), (3305, 5264), (3760, 4627)]