314440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1123}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 809280

約数和(自身を除く): 494840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1123, 2246, 4492, 5615, 7861, 8984, 11230, 15722, 22460, 31444, 39305, 44920, 62888, 78610, 157220, 314440]

約数ペア:

[(1, 314440), (2, 157220), (4, 78610), (5, 62888), (7, 44920), (8, 39305), (10, 31444), (14, 22460), (20, 15722), (28, 11230), (35, 8984), (40, 7861), (56, 5615), (70, 4492), (140, 2246), (280, 1123)]