131496380

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{28711}}^1$

素因数の和:28949

約数の個数: 24

約数和(自身を含む): 277357920

約数和(自身を除く): 145861540

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 28711, 57422, 114844, 143555, 287110, 574220, 6574819, 13149638, 26299276, 32874095, 65748190, 131496380]

約数ペア:

[(1, 131496380), (2, 65748190), (4, 32874095), (5, 26299276), (10, 13149638), (20, 6574819), (229, 574220), (458, 287110), (916, 143555), (1145, 114844), (2290, 57422), (4580, 28711)]