71435980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4217}}^1$

素因数の和:4255

約数の個数: 72

約数和(自身を含む): 188493984

約数和(自身を除く): 117058004

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4217, 4235, 8434, 8470, 16868, 16940, 21085, 29519, 42170, 46387, 59038, 84340, 92774, 118076, 147595, 185548, 231935, 295190, 324709, 463870, 510257, 590380, 649418, 927740, 1020514, 1298836, 1623545, 2041028, 2551285, 3247090, 3571799, 5102570, 6494180, 7143598, 10205140, 14287196, 17858995, 35717990, 71435980]

約数ペア:

[(1, 71435980), (2, 35717990), (4, 17858995), (5, 14287196), (7, 10205140), (10, 7143598), (11, 6494180), (14, 5102570), (20, 3571799), (22, 3247090), (28, 2551285), (35, 2041028), (44, 1623545), (55, 1298836), (70, 1020514), (77, 927740), (110, 649418), (121, 590380), (140, 510257), (154, 463870), (220, 324709), (242, 295190), (308, 231935), (385, 185548), (484, 147595), (605, 118076), (770, 92774), (847, 84340), (1210, 59038), (1540, 46387), (1694, 42170), (2420, 29519), (3388, 21085), (4217, 16940), (4235, 16868), (8434, 8470)]