9820580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{911}}^1$

素因数の和:945

約数の個数: 72

約数和(自身を含む): 26199936

約数和(自身を除く): 16379356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 911, 980, 1078, 1540, 1822, 2156, 2695, 3644, 4555, 5390, 6377, 9110, 10021, 10780, 12754, 18220, 20042, 25508, 31885, 40084, 44639, 50105, 63770, 70147, 89278, 100210, 127540, 140294, 178556, 200420, 223195, 280588, 350735, 446390, 491029, 701470, 892780, 982058, 1402940, 1964116, 2455145, 4910290, 9820580]

約数ペア:

[(1, 9820580), (2, 4910290), (4, 2455145), (5, 1964116), (7, 1402940), (10, 982058), (11, 892780), (14, 701470), (20, 491029), (22, 446390), (28, 350735), (35, 280588), (44, 223195), (49, 200420), (55, 178556), (70, 140294), (77, 127540), (98, 100210), (110, 89278), (140, 70147), (154, 63770), (196, 50105), (220, 44639), (245, 40084), (308, 31885), (385, 25508), (490, 20042), (539, 18220), (770, 12754), (911, 10780), (980, 10021), (1078, 9110), (1540, 6377), (1822, 5390), (2156, 4555), (2695, 3644)]