2078642275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4363}}^1$

素因数の和:4468

約数の個数: 48

約数和(自身を含む): 2922134400

約数和(自身を除く): 843492125

約数列:

[1, 5, 17, 19, 25, 59, 85, 95, 295, 323, 425, 475, 1003, 1121, 1475, 1615, 4363, 5015, 5605, 8075, 19057, 21815, 25075, 28025, 74171, 82897, 95285, 109075, 257417, 370855, 414485, 476425, 1287085, 1409249, 1854275, 2072425, 4376089, 4890923, 6435425, 7046245, 21880445, 24454615, 35231225, 83145691, 109402225, 122273075, 415728455, 2078642275]

約数ペア:

[(1, 2078642275), (5, 415728455), (17, 122273075), (19, 109402225), (25, 83145691), (59, 35231225), (85, 24454615), (95, 21880445), (295, 7046245), (323, 6435425), (425, 4890923), (475, 4376089), (1003, 2072425), (1121, 1854275), (1475, 1409249), (1615, 1287085), (4363, 476425), (5015, 414485), (5605, 370855), (8075, 257417), (19057, 109075), (21815, 95285), (25075, 82897), (28025, 74171)]