289291730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{317903}}^1$

素因数の和:317930

約数の個数: 32

約数和(自身を含む): 640894464

約数和(自身を除く): 351602734

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 317903, 635806, 1589515, 2225321, 3179030, 4132739, 4450642, 8265478, 11126605, 20663695, 22253210, 28929173, 41327390, 57858346, 144645865, 289291730]

約数ペア:

[(1, 289291730), (2, 144645865), (5, 57858346), (7, 41327390), (10, 28929173), (13, 22253210), (14, 20663695), (26, 11126605), (35, 8265478), (65, 4450642), (70, 4132739), (91, 3179030), (130, 2225321), (182, 1589515), (455, 635806), (910, 317903)]