83515880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4201}}^1$

素因数の和:4290

約数の個数: 64

約数和(自身を含む): 217831680

約数和(自身を除く): 134315800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4201, 4970, 8402, 9940, 16804, 19880, 21005, 29407, 33608, 42010, 58814, 84020, 117628, 147035, 168040, 235256, 294070, 298271, 588140, 596542, 1176280, 1193084, 1491355, 2087897, 2386168, 2982710, 4175794, 5965420, 8351588, 10439485, 11930840, 16703176, 20878970, 41757940, 83515880]

約数ペア:

[(1, 83515880), (2, 41757940), (4, 20878970), (5, 16703176), (7, 11930840), (8, 10439485), (10, 8351588), (14, 5965420), (20, 4175794), (28, 2982710), (35, 2386168), (40, 2087897), (56, 1491355), (70, 1193084), (71, 1176280), (140, 596542), (142, 588140), (280, 298271), (284, 294070), (355, 235256), (497, 168040), (568, 147035), (710, 117628), (994, 84020), (1420, 58814), (1988, 42010), (2485, 33608), (2840, 29407), (3976, 21005), (4201, 19880), (4970, 16804), (8402, 9940)]