197970025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37889}}^1$

素因数の和:37929

約数の個数: 24

約数和(自身を含む): 281901600

約数和(自身を除く): 83931575

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 37889, 189445, 416779, 719891, 947225, 2083895, 3599455, 7918801, 10419475, 17997275, 39594005, 197970025]

約数ペア:

[(1, 197970025), (5, 39594005), (11, 17997275), (19, 10419475), (25, 7918801), (55, 3599455), (95, 2083895), (209, 947225), (275, 719891), (475, 416779), (1045, 189445), (5225, 37889)]