210019775

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16903}}^1$

素因数の和:16991

約数の個数: 24

約数和(自身を含む): 301837824

約数和(自身を除く): 91818049

約数列:

[1, 5, 7, 25, 35, 71, 175, 355, 497, 1775, 2485, 12425, 16903, 84515, 118321, 422575, 591605, 1200113, 2958025, 6000565, 8400791, 30002825, 42003955, 210019775]

約数ペア:

[(1, 210019775), (5, 42003955), (7, 30002825), (25, 8400791), (35, 6000565), (71, 2958025), (175, 1200113), (355, 591605), (497, 422575), (1775, 118321), (2485, 84515), (12425, 16903)]