199208030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{406547}}^1$

素因数の和:406568

約数の個数: 24

約数和(自身を含む): 417118248

約数和(自身を除く): 217910218

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 406547, 813094, 2032735, 2845829, 4065470, 5691658, 14229145, 19920803, 28458290, 39841606, 99604015, 199208030]

約数ペア:

[(1, 199208030), (2, 99604015), (5, 39841606), (7, 28458290), (10, 19920803), (14, 14229145), (35, 5691658), (49, 4065470), (70, 2845829), (98, 2032735), (245, 813094), (490, 406547)]