1288396060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{400123}}^1$

素因数の和:400162

約数の個数: 48

約数和(自身を含む): 3226599936

約数和(自身を除く): 1938203876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 400123, 800246, 1600492, 2000615, 2800861, 4001230, 5601722, 8002460, 9202829, 11203444, 14004305, 18405658, 28008610, 36811316, 46014145, 56017220, 64419803, 92028290, 128839606, 184056580, 257679212, 322099015, 644198030, 1288396060]

約数ペア:

[(1, 1288396060), (2, 644198030), (4, 322099015), (5, 257679212), (7, 184056580), (10, 128839606), (14, 92028290), (20, 64419803), (23, 56017220), (28, 46014145), (35, 36811316), (46, 28008610), (70, 18405658), (92, 14004305), (115, 11203444), (140, 9202829), (161, 8002460), (230, 5601722), (322, 4001230), (460, 2800861), (644, 2000615), (805, 1600492), (1610, 800246), (3220, 400123)]