206985080

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 474841440

約数和(自身を除く): 267856360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 137, 214, 274, 353, 428, 535, 548, 685, 706, 856, 1070, 1096, 1370, 1412, 1765, 2140, 2740, 2824, 3530, 4280, 5480, 7060, 14120, 14659, 29318, 37771, 48361, 58636, 73295, 75542, 96722, 117272, 146590, 151084, 188855, 193444, 241805, 293180, 302168, 377710, 386888, 483610, 586360, 755420, 967220, 1510840, 1934440, 5174627, 10349254, 20698508, 25873135, 41397016, 51746270, 103492540, 206985080]

約数ペア:

[(1, 206985080), (2, 103492540), (4, 51746270), (5, 41397016), (8, 25873135), (10, 20698508), (20, 10349254), (40, 5174627), (107, 1934440), (137, 1510840), (214, 967220), (274, 755420), (353, 586360), (428, 483610), (535, 386888), (548, 377710), (685, 302168), (706, 293180), (856, 241805), (1070, 193444), (1096, 188855), (1370, 151084), (1412, 146590), (1765, 117272), (2140, 96722), (2740, 75542), (2824, 73295), (3530, 58636), (4280, 48361), (5480, 37771), (7060, 29318), (14120, 14659)]