11511940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 27349056

約数和(自身を除く): 15837116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 71, 110, 121, 134, 142, 220, 242, 268, 284, 335, 355, 484, 605, 670, 710, 737, 781, 1210, 1340, 1420, 1474, 1562, 2420, 2948, 3124, 3685, 3905, 4757, 7370, 7810, 8107, 8591, 9514, 14740, 15620, 16214, 17182, 19028, 23785, 32428, 34364, 40535, 42955, 47570, 52327, 81070, 85910, 95140, 104654, 162140, 171820, 209308, 261635, 523270, 575597, 1046540, 1151194, 2302388, 2877985, 5755970, 11511940]

約数ペア:

[(1, 11511940), (2, 5755970), (4, 2877985), (5, 2302388), (10, 1151194), (11, 1046540), (20, 575597), (22, 523270), (44, 261635), (55, 209308), (67, 171820), (71, 162140), (110, 104654), (121, 95140), (134, 85910), (142, 81070), (220, 52327), (242, 47570), (268, 42955), (284, 40535), (335, 34364), (355, 32428), (484, 23785), (605, 19028), (670, 17182), (710, 16214), (737, 15620), (781, 14740), (1210, 9514), (1340, 8591), (1420, 8107), (1474, 7810), (1562, 7370), (2420, 4757), (2948, 3905), (3124, 3685)]