8209180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 19869696

約数和(自身を除く): 11660516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 307, 382, 614, 764, 955, 1228, 1337, 1535, 1910, 2149, 2674, 3070, 3820, 4298, 5348, 6140, 6685, 8596, 10745, 13370, 21490, 26740, 42980, 58637, 117274, 234548, 293185, 410459, 586370, 820918, 1172740, 1641836, 2052295, 4104590, 8209180]

約数ペア:

[(1, 8209180), (2, 4104590), (4, 2052295), (5, 1641836), (7, 1172740), (10, 820918), (14, 586370), (20, 410459), (28, 293185), (35, 234548), (70, 117274), (140, 58637), (191, 42980), (307, 26740), (382, 21490), (614, 13370), (764, 10745), (955, 8596), (1228, 6685), (1337, 6140), (1535, 5348), (1910, 4298), (2149, 3820), (2674, 3070)]