2820475

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 4071168

約数和(自身を除く): 1250693

約数列:

[1, 5, 7, 25, 35, 71, 175, 227, 355, 497, 1135, 1589, 1775, 2485, 5675, 7945, 12425, 16117, 39725, 80585, 112819, 402925, 564095, 2820475]

約数ペア:

[(1, 2820475), (5, 564095), (7, 402925), (25, 112819), (35, 80585), (71, 39725), (175, 16117), (227, 12425), (355, 7945), (497, 5675), (1135, 2485), (1589, 1775)]