11912780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 27536544

約数和(自身を除く): 15623764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 313, 346, 626, 692, 865, 1252, 1565, 1730, 1903, 3130, 3443, 3460, 3806, 6260, 6886, 7612, 9515, 13772, 17215, 19030, 34430, 38060, 54149, 68860, 108298, 216596, 270745, 541490, 595639, 1082980, 1191278, 2382556, 2978195, 5956390, 11912780]

約数ペア:

[(1, 11912780), (2, 5956390), (4, 2978195), (5, 2382556), (10, 1191278), (11, 1082980), (20, 595639), (22, 541490), (44, 270745), (55, 216596), (110, 108298), (173, 68860), (220, 54149), (313, 38060), (346, 34430), (626, 19030), (692, 17215), (865, 13772), (1252, 9515), (1565, 7612), (1730, 6886), (1903, 6260), (3130, 3806), (3443, 3460)]