8900390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 16951680

約数和(自身を除く): 8051290

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 235, 290, 470, 653, 1306, 1363, 2726, 3265, 6530, 6815, 13630, 18937, 30691, 37874, 61382, 94685, 153455, 189370, 306910, 890039, 1780078, 4450195, 8900390]

約数ペア:

[(1, 8900390), (2, 4450195), (5, 1780078), (10, 890039), (29, 306910), (47, 189370), (58, 153455), (94, 94685), (145, 61382), (235, 37874), (290, 30691), (470, 18937), (653, 13630), (1306, 6815), (1363, 6530), (2726, 3265)]