214908125

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:287

約数の個数: 40

約数和(自身を含む): 283409280

約数和(自身を除く): 68501155

約数列:

[1, 5, 25, 29, 71, 125, 145, 167, 355, 625, 725, 835, 1775, 2059, 3625, 4175, 4843, 8875, 10295, 11857, 18125, 20875, 24215, 44375, 51475, 59285, 104375, 121075, 257375, 296425, 343853, 605375, 1286875, 1482125, 1719265, 3026875, 7410625, 8596325, 42981625, 214908125]

約数ペア:

[(1, 214908125), (5, 42981625), (25, 8596325), (29, 7410625), (71, 3026875), (125, 1719265), (145, 1482125), (167, 1286875), (355, 605375), (625, 343853), (725, 296425), (835, 257375), (1775, 121075), (2059, 104375), (3625, 59285), (4175, 51475), (4843, 44375), (8875, 24215), (10295, 20875), (11857, 18125)]