200121180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{476479}}^1$

素因数の和:476498

約数の個数: 48

約数和(自身を含む): 640389120

約数和(自身を除く): 440267940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 476479, 952958, 1429437, 1905916, 2382395, 2858874, 3335353, 4764790, 5717748, 6670706, 7147185, 9529580, 10006059, 13341412, 14294370, 16676765, 20012118, 28588740, 33353530, 40024236, 50030295, 66707060, 100060590, 200121180]

約数ペア:

[(1, 200121180), (2, 100060590), (3, 66707060), (4, 50030295), (5, 40024236), (6, 33353530), (7, 28588740), (10, 20012118), (12, 16676765), (14, 14294370), (15, 13341412), (20, 10006059), (21, 9529580), (28, 7147185), (30, 6670706), (35, 5717748), (42, 4764790), (60, 3335353), (70, 2858874), (84, 2382395), (105, 1905916), (140, 1429437), (210, 952958), (420, 476479)]