90865510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1987}}^1$

素因数の和:2280

約数の個数: 32

約数和(自身を含む): 173910240

約数和(自身を除く): 83044730

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 269, 538, 1345, 1987, 2690, 3974, 4573, 9146, 9935, 19870, 22865, 33779, 45730, 67558, 168895, 337790, 534503, 1069006, 2672515, 5345030, 9086551, 18173102, 45432755, 90865510]

約数ペア:

[(1, 90865510), (2, 45432755), (5, 18173102), (10, 9086551), (17, 5345030), (34, 2672515), (85, 1069006), (170, 534503), (269, 337790), (538, 168895), (1345, 67558), (1987, 45730), (2690, 33779), (3974, 22865), (4573, 19870), (9146, 9935)]