187611110

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2969}}^1$

素因数の和:3136

約数の個数: 32

約数和(自身を含む): 346420800

約数和(自身を除く): 158809690

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 355, 445, 710, 890, 2969, 5938, 6319, 12638, 14845, 29690, 31595, 63190, 210799, 264241, 421598, 528482, 1053995, 1321205, 2107990, 2642410, 18761111, 37522222, 93805555, 187611110]

約数ペア:

[(1, 187611110), (2, 93805555), (5, 37522222), (10, 18761111), (71, 2642410), (89, 2107990), (142, 1321205), (178, 1053995), (355, 528482), (445, 421598), (710, 264241), (890, 210799), (2969, 63190), (5938, 31595), (6319, 29690), (12638, 14845)]