2091990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 5067360

約数和(自身を除く): 2975370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 509, 685, 822, 1018, 1370, 1527, 2055, 2545, 3054, 4110, 5090, 7635, 15270, 69733, 139466, 209199, 348665, 418398, 697330, 1045995, 2091990]

約数ペア:

[(1, 2091990), (2, 1045995), (3, 697330), (5, 418398), (6, 348665), (10, 209199), (15, 139466), (30, 69733), (137, 15270), (274, 7635), (411, 5090), (509, 4110), (685, 3054), (822, 2545), (1018, 2055), (1370, 1527)]