156431900

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{16127}}^1$

素因数の和:16238

約数の個数: 36

約数和(自身を含む): 342978048

約数和(自身を除く): 186546148

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2425, 4850, 9700, 16127, 32254, 64508, 80635, 161270, 322540, 403175, 806350, 1564319, 1612700, 3128638, 6257276, 7821595, 15643190, 31286380, 39107975, 78215950, 156431900]

約数ペア:

[(1, 156431900), (2, 78215950), (4, 39107975), (5, 31286380), (10, 15643190), (20, 7821595), (25, 6257276), (50, 3128638), (97, 1612700), (100, 1564319), (194, 806350), (388, 403175), (485, 322540), (970, 161270), (1940, 80635), (2425, 64508), (4850, 32254), (9700, 16127)]