1298490020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3417079}}^1$

素因数の和:3417107

約数の個数: 24

約数和(自身を含む): 2870347200

約数和(自身を除く): 1571857180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3417079, 6834158, 13668316, 17085395, 34170790, 64924501, 68341580, 129849002, 259698004, 324622505, 649245010, 1298490020]

約数ペア:

[(1, 1298490020), (2, 649245010), (4, 324622505), (5, 259698004), (10, 129849002), (19, 68341580), (20, 64924501), (38, 34170790), (76, 17085395), (95, 13668316), (190, 6834158), (380, 3417079)]