131107180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{727}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 281788416

約数和(自身を除く): 150681236

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 254, 284, 355, 508, 635, 710, 727, 1270, 1420, 1454, 2540, 2908, 3635, 7270, 9017, 14540, 18034, 36068, 45085, 51617, 90170, 92329, 103234, 180340, 184658, 206468, 258085, 369316, 461645, 516170, 923290, 1032340, 1846580, 6555359, 13110718, 26221436, 32776795, 65553590, 131107180]

約数ペア:

[(1, 131107180), (2, 65553590), (4, 32776795), (5, 26221436), (10, 13110718), (20, 6555359), (71, 1846580), (127, 1032340), (142, 923290), (254, 516170), (284, 461645), (355, 369316), (508, 258085), (635, 206468), (710, 184658), (727, 180340), (1270, 103234), (1420, 92329), (1454, 90170), (2540, 51617), (2908, 45085), (3635, 36068), (7270, 18034), (9017, 14540)]