489788075

素因数分解:

$5^2\times 7^2\times {\mathrm{487}}^1\times {\mathrm{821}}^1$

素因数の和:1332

約数の個数: 36

約数和(自身を含む): 708807312

約数和(自身を除く): 219019237

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 487, 821, 1225, 2435, 3409, 4105, 5747, 12175, 17045, 20525, 23863, 28735, 40229, 85225, 119315, 143675, 201145, 399827, 596575, 1005725, 1999135, 2798789, 9995675, 13993945, 19591523, 69969725, 97957615, 489788075]

約数ペア:

[(1, 489788075), (5, 97957615), (7, 69969725), (25, 19591523), (35, 13993945), (49, 9995675), (175, 2798789), (245, 1999135), (487, 1005725), (821, 596575), (1225, 399827), (2435, 201145), (3409, 143675), (4105, 119315), (5747, 85225), (12175, 40229), (17045, 28735), (20525, 23863)]