289320125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2833}}^1$

素因数の和:2910

約数の個数: 32

約数和(自身を含む): 389051520

約数和(自身を除く): 99731395

約数列:

[1, 5, 19, 25, 43, 95, 125, 215, 475, 817, 1075, 2375, 2833, 4085, 5375, 14165, 20425, 53827, 70825, 102125, 121819, 269135, 354125, 609095, 1345675, 2314561, 3045475, 6728375, 11572805, 15227375, 57864025, 289320125]

約数ペア:

[(1, 289320125), (5, 57864025), (19, 15227375), (25, 11572805), (43, 6728375), (95, 3045475), (125, 2314561), (215, 1345675), (475, 609095), (817, 354125), (1075, 269135), (2375, 121819), (2833, 102125), (4085, 70825), (5375, 53827), (14165, 20425)]