208604390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{2909}}^1$

素因数の和:3088

約数の個数: 32

約数和(自身を含む): 384678720

約数和(自身を除く): 176074330

約数列:

[1, 2, 5, 10, 71, 101, 142, 202, 355, 505, 710, 1010, 2909, 5818, 7171, 14342, 14545, 29090, 35855, 71710, 206539, 293809, 413078, 587618, 1032695, 1469045, 2065390, 2938090, 20860439, 41720878, 104302195, 208604390]

約数ペア:

[(1, 208604390), (2, 104302195), (5, 41720878), (10, 20860439), (71, 2938090), (101, 2065390), (142, 1469045), (202, 1032695), (355, 587618), (505, 413078), (710, 293809), (1010, 206539), (2909, 71710), (5818, 35855), (7171, 29090), (14342, 14545)]