251011270

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{1013}}^1$

素因数の和:1440

約数の個数: 32

約数和(自身を含む): 459950400

約数和(自身を除く): 208939130

約数列:

[1, 2, 5, 10, 71, 142, 349, 355, 698, 710, 1013, 1745, 2026, 3490, 5065, 10130, 24779, 49558, 71923, 123895, 143846, 247790, 353537, 359615, 707074, 719230, 1767685, 3535370, 25101127, 50202254, 125505635, 251011270]

約数ペア:

[(1, 251011270), (2, 125505635), (5, 50202254), (10, 25101127), (71, 3535370), (142, 1767685), (349, 719230), (355, 707074), (698, 359615), (710, 353537), (1013, 247790), (1745, 143846), (2026, 123895), (3490, 71923), (5065, 49558), (10130, 24779)]