19291250979880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{56137967}}^1$

素因数の和:56138071

約数の個数: 96

約数和(自身を含む): 48381946341120

約数和(自身を除く): 29090695361240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 121, 142, 220, 242, 284, 355, 440, 484, 568, 605, 710, 781, 968, 1210, 1420, 1562, 2420, 2840, 3124, 3905, 4840, 6248, 7810, 8591, 15620, 17182, 31240, 34364, 42955, 68728, 85910, 171820, 343640, 56137967, 112275934, 224551868, 280689835, 449103736, 561379670, 617517637, 1122759340, 1235035274, 2245518680, 2470070548, 3087588185, 3985795657, 4940141096, 6175176370, 6792694007, 7971591314, 12350352740, 13585388014, 15943182628, 19928978285, 24700705480, 27170776028, 31886365256, 33963470035, 39857956570, 43843752227, 54341552056, 67926940070, 79715913140, 87687504454, 135853880140, 159431826280, 175375008908, 219218761135, 271707760280, 350750017816, 438437522270, 482281274497, 876875044540, 964562548994, 1753750089080, 1929125097988, 2411406372485, 3858250195976, 4822812744970, 9645625489940, 19291250979880]

約数ペア:

[(1, 19291250979880), (2, 9645625489940), (4, 4822812744970), (5, 3858250195976), (8, 2411406372485), (10, 1929125097988), (11, 1753750089080), (20, 964562548994), (22, 876875044540), (40, 482281274497), (44, 438437522270), (55, 350750017816), (71, 271707760280), (88, 219218761135), (110, 175375008908), (121, 159431826280), (142, 135853880140), (220, 87687504454), (242, 79715913140), (284, 67926940070), (355, 54341552056), (440, 43843752227), (484, 39857956570), (568, 33963470035), (605, 31886365256), (710, 27170776028), (781, 24700705480), (968, 19928978285), (1210, 15943182628), (1420, 13585388014), (1562, 12350352740), (2420, 7971591314), (2840, 6792694007), (3124, 6175176370), (3905, 4940141096), (4840, 3985795657), (6248, 3087588185), (7810, 2470070548), (8591, 2245518680), (15620, 1235035274), (17182, 1122759340), (31240, 617517637), (34364, 561379670), (42955, 449103736), (68728, 280689835), (85910, 224551868), (171820, 112275934), (343640, 56137967)]