156799940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{6661}}^1$

素因数の和:6788

約数の個数: 48

約数和(自身を含む): 362625984

約数和(自身を除く): 205826044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 2140, 2354, 4708, 5885, 6661, 11770, 13322, 23540, 26644, 33305, 66610, 73271, 133220, 146542, 293084, 366355, 712727, 732710, 1425454, 1465420, 2850908, 3563635, 7127270, 7839997, 14254540, 15679994, 31359988, 39199985, 78399970, 156799940]

約数ペア:

[(1, 156799940), (2, 78399970), (4, 39199985), (5, 31359988), (10, 15679994), (11, 14254540), (20, 7839997), (22, 7127270), (44, 3563635), (55, 2850908), (107, 1465420), (110, 1425454), (214, 732710), (220, 712727), (428, 366355), (535, 293084), (1070, 146542), (1177, 133220), (2140, 73271), (2354, 66610), (4708, 33305), (5885, 26644), (6661, 23540), (11770, 13322)]