289090175

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:680

約数の個数: 36

約数和(自身を含む): 396698568

約数和(自身を除く): 107608393

約数列:

[1, 5, 11, 25, 55, 121, 227, 275, 421, 605, 1135, 2105, 2497, 3025, 4631, 5675, 10525, 12485, 23155, 27467, 50941, 62425, 95567, 115775, 137335, 254705, 477835, 686675, 1051237, 1273525, 2389175, 5256185, 11563607, 26280925, 57818035, 289090175]

約数ペア:

[(1, 289090175), (5, 57818035), (11, 26280925), (25, 11563607), (55, 5256185), (121, 2389175), (227, 1273525), (275, 1051237), (421, 686675), (605, 477835), (1135, 254705), (2105, 137335), (2497, 115775), (3025, 95567), (4631, 62425), (5675, 50941), (10525, 27467), (12485, 23155)]