210372540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{500887}}^1$

素因数の和:500906

約数の個数: 48

約数和(自身を含む): 673193472

約数和(自身を除く): 462820932

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, 500887, 1001774, 1502661, 2003548, 2504435, 3005322, 3506209, 5008870, 6010644, 7012418, 7513305, 10017740, 10518627, 14024836, 15026610, 17531045, 21037254, 30053220, 35062090, 42074508, 52593135, 70124180, 105186270, 210372540]

約数ペア:

[(1, 210372540), (2, 105186270), (3, 70124180), (4, 52593135), (5, 42074508), (6, 35062090), (7, 30053220), (10, 21037254), (12, 17531045), (14, 15026610), (15, 14024836), (20, 10518627), (21, 10017740), (28, 7513305), (30, 7012418), (35, 6010644), (42, 5008870), (60, 3506209), (70, 3005322), (84, 2504435), (105, 2003548), (140, 1502661), (210, 1001774), (420, 500887)]