2019487790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{98081}}^1$

素因数の和:98188

約数の個数: 32

約数和(自身を含む): 3813428160

約数和(自身を除く): 1793940370

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 2059, 4118, 10295, 20590, 98081, 196162, 490405, 980810, 2844349, 5688698, 6963751, 13927502, 14221745, 28443490, 34818755, 69637510, 201948779, 403897558, 1009743895, 2019487790]

約数ペア:

[(1, 2019487790), (2, 1009743895), (5, 403897558), (10, 201948779), (29, 69637510), (58, 34818755), (71, 28443490), (142, 14221745), (145, 13927502), (290, 6963751), (355, 5688698), (710, 2844349), (2059, 980810), (4118, 490405), (10295, 196162), (20590, 98081)]