256551460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{106013}}^1$

素因数の和:106044

約数の個数: 36

約数和(自身を含む): 592194204

約数和(自身を除く): 335642744

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 106013, 212026, 424052, 530065, 1060130, 1166143, 2120260, 2332286, 4664572, 5830715, 11661430, 12827573, 23322860, 25655146, 51310292, 64137865, 128275730, 256551460]

約数ペア:

[(1, 256551460), (2, 128275730), (4, 64137865), (5, 51310292), (10, 25655146), (11, 23322860), (20, 12827573), (22, 11661430), (44, 5830715), (55, 4664572), (110, 2332286), (121, 2120260), (220, 1166143), (242, 1060130), (484, 530065), (605, 424052), (1210, 212026), (2420, 106013)]