1604075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 2291520

約数和(自身を除く): 687445

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 307, 475, 1045, 1535, 3377, 5225, 5833, 7675, 16885, 29165, 64163, 84425, 145825, 320815, 1604075]

約数ペア:

[(1, 1604075), (5, 320815), (11, 145825), (19, 84425), (25, 64163), (55, 29165), (95, 16885), (209, 7675), (275, 5833), (307, 5225), (475, 3377), (1045, 1535)]