1289728150

素因数分解:

$2^1\times 5^2\times {\mathrm{1409}}^1\times {\mathrm{18307}}^1$

素因数の和:19728

約数の個数: 24

約数和(自身を含む): 2400728040

約数和(自身を除く): 1110999890

約数列:

[1, 2, 5, 10, 25, 50, 1409, 2818, 7045, 14090, 18307, 35225, 36614, 70450, 91535, 183070, 457675, 915350, 25794563, 51589126, 128972815, 257945630, 644864075, 1289728150]

約数ペア:

[(1, 1289728150), (2, 644864075), (5, 257945630), (10, 128972815), (25, 51589126), (50, 25794563), (1409, 915350), (2818, 457675), (7045, 183070), (14090, 91535), (18307, 70450), (35225, 36614)]