1290751490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{801709}}^1$

素因数の和:801746

約数の個数: 32

約数和(自身を含む): 2770709760

約数和(自身を除く): 1479958270

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 801709, 1603418, 4008545, 5611963, 8017090, 11223926, 18439307, 28059815, 36878614, 56119630, 92196535, 129075149, 184393070, 258150298, 645375745, 1290751490]

約数ペア:

[(1, 1290751490), (2, 645375745), (5, 258150298), (7, 184393070), (10, 129075149), (14, 92196535), (23, 56119630), (35, 36878614), (46, 28059815), (70, 18439307), (115, 11223926), (161, 8017090), (230, 5611963), (322, 4008545), (805, 1603418), (1610, 801709)]