208288920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10781}}^1$

素因数の和:10825

約数の個数: 128

約数和(自身を含む): 745251840

約数和(自身を除く): 536962920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 10781, 19320, 21562, 32343, 43124, 53905, 64686, 75467, 86248, 107810, 129372, 150934, 161715, 215620, 226401, 247963, 258744, 301868, 323430, 377335, 431240, 452802, 495926, 603736, 646860, 743889, 754670, 905604, 991852, 1132005, 1239815, 1293720, 1487778, 1509340, 1735741, 1811208, 1983704, 2264010, 2479630, 2975556, 3018680, 3471482, 3719445, 4528020, 4959260, 5207223, 5951112, 6942964, 7438890, 8678705, 9056040, 9918520, 10414446, 13885928, 14877780, 17357410, 20828892, 26036115, 29755560, 34714820, 41657784, 52072230, 69429640, 104144460, 208288920]

約数ペア:

[(1, 208288920), (2, 104144460), (3, 69429640), (4, 52072230), (5, 41657784), (6, 34714820), (7, 29755560), (8, 26036115), (10, 20828892), (12, 17357410), (14, 14877780), (15, 13885928), (20, 10414446), (21, 9918520), (23, 9056040), (24, 8678705), (28, 7438890), (30, 6942964), (35, 5951112), (40, 5207223), (42, 4959260), (46, 4528020), (56, 3719445), (60, 3471482), (69, 3018680), (70, 2975556), (84, 2479630), (92, 2264010), (105, 1983704), (115, 1811208), (120, 1735741), (138, 1509340), (140, 1487778), (161, 1293720), (168, 1239815), (184, 1132005), (210, 991852), (230, 905604), (276, 754670), (280, 743889), (322, 646860), (345, 603736), (420, 495926), (460, 452802), (483, 431240), (552, 377335), (644, 323430), (690, 301868), (805, 258744), (840, 247963), (920, 226401), (966, 215620), (1288, 161715), (1380, 150934), (1610, 129372), (1932, 107810), (2415, 86248), (2760, 75467), (3220, 64686), (3864, 53905), (4830, 43124), (6440, 32343), (9660, 21562), (10781, 19320)]