408322740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{972197}}^1$

素因数の和:972216

約数の個数: 48

約数和(自身を含む): 1306634112

約数和(自身を除く): 898311372

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, 972197, 1944394, 2916591, 3888788, 4860985, 5833182, 6805379, 9721970, 11666364, 13610758, 14582955, 19443940, 20416137, 27221516, 29165910, 34026895, 40832274, 58331820, 68053790, 81664548, 102080685, 136107580, 204161370, 408322740]

約数ペア:

[(1, 408322740), (2, 204161370), (3, 136107580), (4, 102080685), (5, 81664548), (6, 68053790), (7, 58331820), (10, 40832274), (12, 34026895), (14, 29165910), (15, 27221516), (20, 20416137), (21, 19443940), (28, 14582955), (30, 13610758), (35, 11666364), (42, 9721970), (60, 6805379), (70, 5833182), (84, 4860985), (105, 3888788), (140, 2916591), (210, 1944394), (420, 972197)]