402736740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{958897}}^1$

素因数の和:958916

約数の個数: 48

約数和(自身を含む): 1288758912

約数和(自身を除く): 886022172

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, 958897, 1917794, 2876691, 3835588, 4794485, 5753382, 6712279, 9588970, 11506764, 13424558, 14383455, 19177940, 20136837, 26849116, 28766910, 33561395, 40273674, 57533820, 67122790, 80547348, 100684185, 134245580, 201368370, 402736740]

約数ペア:

[(1, 402736740), (2, 201368370), (3, 134245580), (4, 100684185), (5, 80547348), (6, 67122790), (7, 57533820), (10, 40273674), (12, 33561395), (14, 28766910), (15, 26849116), (20, 20136837), (21, 19177940), (28, 14383455), (30, 13424558), (35, 11506764), (42, 9588970), (60, 6712279), (70, 5753382), (84, 4794485), (105, 3835588), (140, 2876691), (210, 1917794), (420, 958897)]