71842540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4241}}^1$

素因数の和:4279

約数の個数: 72

約数和(自身を含む): 189566496

約数和(自身を除く): 117723956

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, 4235, 4241, 8470, 8482, 16940, 16964, 21205, 29687, 42410, 46651, 59374, 84820, 93302, 118748, 148435, 186604, 233255, 296870, 326557, 466510, 513161, 593740, 653114, 933020, 1026322, 1306228, 1632785, 2052644, 2565805, 3265570, 3592127, 5131610, 6531140, 7184254, 10263220, 14368508, 17960635, 35921270, 71842540]

約数ペア:

[(1, 71842540), (2, 35921270), (4, 17960635), (5, 14368508), (7, 10263220), (10, 7184254), (11, 6531140), (14, 5131610), (20, 3592127), (22, 3265570), (28, 2565805), (35, 2052644), (44, 1632785), (55, 1306228), (70, 1026322), (77, 933020), (110, 653114), (121, 593740), (140, 513161), (154, 466510), (220, 326557), (242, 296870), (308, 233255), (385, 186604), (484, 148435), (605, 118748), (770, 93302), (847, 84820), (1210, 59374), (1540, 46651), (1694, 42410), (2420, 29687), (3388, 21205), (4235, 16964), (4241, 16940), (8470, 8482)]