90809320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{324319}}^1$

素因数の和:324337

約数の個数: 32

約数和(自身を含む): 233510400

約数和(自身を除く): 142701080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 324319, 648638, 1297276, 1621595, 2270233, 2594552, 3243190, 4540466, 6486380, 9080932, 11351165, 12972760, 18161864, 22702330, 45404660, 90809320]

約数ペア:

[(1, 90809320), (2, 45404660), (4, 22702330), (5, 18161864), (7, 12972760), (8, 11351165), (10, 9080932), (14, 6486380), (20, 4540466), (28, 3243190), (35, 2594552), (40, 2270233), (56, 1621595), (70, 1297276), (140, 648638), (280, 324319)]