380804360

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{45119}}^1$

素因数の和:45341

約数の個数: 32

約数和(自身を含む): 860889600

約数和(自身を除く): 480085240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 45119, 90238, 180476, 225595, 360952, 451190, 902380, 1804760, 9520109, 19040218, 38080436, 47600545, 76160872, 95201090, 190402180, 380804360]

約数ペア:

[(1, 380804360), (2, 190402180), (4, 95201090), (5, 76160872), (8, 47600545), (10, 38080436), (20, 19040218), (40, 9520109), (211, 1804760), (422, 902380), (844, 451190), (1055, 360952), (1688, 225595), (2110, 180476), (4220, 90238), (8440, 45119)]