208029920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{661}}^1$

素因数の和:964

約数の個数: 96

約数和(自身を含む): 564532416

約数和(自身を除く): 356502496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 281, 560, 562, 661, 1120, 1124, 1322, 1405, 1967, 2248, 2644, 2810, 3305, 3934, 4496, 4627, 5288, 5620, 6610, 7868, 8992, 9254, 9835, 10576, 11240, 13220, 15736, 18508, 19670, 21152, 22480, 23135, 26440, 31472, 37016, 39340, 44960, 46270, 52880, 62944, 74032, 78680, 92540, 105760, 148064, 157360, 185080, 185741, 314720, 370160, 371482, 740320, 742964, 928705, 1300187, 1485928, 1857410, 2600374, 2971856, 3714820, 5200748, 5943712, 6500935, 7429640, 10401496, 13001870, 14859280, 20802992, 26003740, 29718560, 41605984, 52007480, 104014960, 208029920]

約数ペア:

[(1, 208029920), (2, 104014960), (4, 52007480), (5, 41605984), (7, 29718560), (8, 26003740), (10, 20802992), (14, 14859280), (16, 13001870), (20, 10401496), (28, 7429640), (32, 6500935), (35, 5943712), (40, 5200748), (56, 3714820), (70, 2971856), (80, 2600374), (112, 1857410), (140, 1485928), (160, 1300187), (224, 928705), (280, 742964), (281, 740320), (560, 371482), (562, 370160), (661, 314720), (1120, 185741), (1124, 185080), (1322, 157360), (1405, 148064), (1967, 105760), (2248, 92540), (2644, 78680), (2810, 74032), (3305, 62944), (3934, 52880), (4496, 46270), (4627, 44960), (5288, 39340), (5620, 37016), (6610, 31472), (7868, 26440), (8992, 23135), (9254, 22480), (9835, 21152), (10576, 19670), (11240, 18508), (13220, 15736)]