256220140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{8501}}^1$

素因数の和:8658

約数の個数: 48

約数和(自身を含む): 591331104

約数和(自身を除く): 335110964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 1370, 1507, 2740, 3014, 6028, 7535, 8501, 15070, 17002, 30140, 34004, 42505, 85010, 93511, 170020, 187022, 374044, 467555, 935110, 1164637, 1870220, 2329274, 4658548, 5823185, 11646370, 12811007, 23292740, 25622014, 51244028, 64055035, 128110070, 256220140]

約数ペア:

[(1, 256220140), (2, 128110070), (4, 64055035), (5, 51244028), (10, 25622014), (11, 23292740), (20, 12811007), (22, 11646370), (44, 5823185), (55, 4658548), (110, 2329274), (137, 1870220), (220, 1164637), (274, 935110), (548, 467555), (685, 374044), (1370, 187022), (1507, 170020), (2740, 93511), (3014, 85010), (6028, 42505), (7535, 34004), (8501, 30140), (15070, 17002)]