71432690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1997}}^1$

素因数の和:2091

約数の個数: 48

約数和(自身を含む): 151696152

約数和(自身を除く): 80263462

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 73, 98, 146, 245, 365, 490, 511, 730, 1022, 1997, 2555, 3577, 3994, 5110, 7154, 9985, 13979, 17885, 19970, 27958, 35770, 69895, 97853, 139790, 145781, 195706, 291562, 489265, 728905, 978530, 1020467, 1457810, 2040934, 5102335, 7143269, 10204670, 14286538, 35716345, 71432690]

約数ペア:

[(1, 71432690), (2, 35716345), (5, 14286538), (7, 10204670), (10, 7143269), (14, 5102335), (35, 2040934), (49, 1457810), (70, 1020467), (73, 978530), (98, 728905), (146, 489265), (245, 291562), (365, 195706), (490, 145781), (511, 139790), (730, 97853), (1022, 69895), (1997, 35770), (2555, 27958), (3577, 19970), (3994, 17885), (5110, 13979), (7154, 9985)]