2189275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 3124800

約数和(自身を除く): 935525

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 419, 475, 1045, 2095, 4609, 5225, 7961, 10475, 23045, 39805, 87571, 115225, 199025, 437855, 2189275]

約数ペア:

[(1, 2189275), (5, 437855), (11, 199025), (19, 115225), (25, 87571), (55, 39805), (95, 23045), (209, 10475), (275, 7961), (419, 5225), (475, 4609), (1045, 2095)]