137225960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 315964800

約数和(自身を除く): 178738840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 211, 229, 284, 355, 422, 458, 568, 710, 844, 916, 1055, 1145, 1420, 1688, 1832, 2110, 2290, 2840, 4220, 4580, 8440, 9160, 14981, 16259, 29962, 32518, 48319, 59924, 65036, 74905, 81295, 96638, 119848, 130072, 149810, 162590, 193276, 241595, 299620, 325180, 386552, 483190, 599240, 650360, 966380, 1932760, 3430649, 6861298, 13722596, 17153245, 27445192, 34306490, 68612980, 137225960]

約数ペア:

[(1, 137225960), (2, 68612980), (4, 34306490), (5, 27445192), (8, 17153245), (10, 13722596), (20, 6861298), (40, 3430649), (71, 1932760), (142, 966380), (211, 650360), (229, 599240), (284, 483190), (355, 386552), (422, 325180), (458, 299620), (568, 241595), (710, 193276), (844, 162590), (916, 149810), (1055, 130072), (1145, 119848), (1420, 96638), (1688, 81295), (1832, 74905), (2110, 65036), (2290, 59924), (2840, 48319), (4220, 32518), (4580, 29962), (8440, 16259), (9160, 14981)]