1804009620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4295261}}^1$

素因数の和:4295280

約数の個数: 48

約数和(自身を含む): 5772832128

約数和(自身を除く): 3968822508

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, 4295261, 8590522, 12885783, 17181044, 21476305, 25771566, 30066827, 42952610, 51543132, 60133654, 64428915, 85905220, 90200481, 120267308, 128857830, 150334135, 180400962, 257715660, 300668270, 360801924, 451002405, 601336540, 902004810, 1804009620]

約数ペア:

[(1, 1804009620), (2, 902004810), (3, 601336540), (4, 451002405), (5, 360801924), (6, 300668270), (7, 257715660), (10, 180400962), (12, 150334135), (14, 128857830), (15, 120267308), (20, 90200481), (21, 85905220), (28, 64428915), (30, 60133654), (35, 51543132), (42, 42952610), (60, 30066827), (70, 25771566), (84, 21476305), (105, 17181044), (140, 12885783), (210, 8590522), (420, 4295261)]