8570900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 21144480

約数和(自身を除く): 12573580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 347, 380, 475, 494, 650, 694, 950, 988, 1235, 1300, 1388, 1735, 1900, 2470, 3470, 4511, 4940, 6175, 6593, 6940, 8675, 9022, 12350, 13186, 17350, 18044, 22555, 24700, 26372, 32965, 34700, 45110, 65930, 85709, 90220, 112775, 131860, 164825, 171418, 225550, 329650, 342836, 428545, 451100, 659300, 857090, 1714180, 2142725, 4285450, 8570900]

約数ペア:

[(1, 8570900), (2, 4285450), (4, 2142725), (5, 1714180), (10, 857090), (13, 659300), (19, 451100), (20, 428545), (25, 342836), (26, 329650), (38, 225550), (50, 171418), (52, 164825), (65, 131860), (76, 112775), (95, 90220), (100, 85709), (130, 65930), (190, 45110), (247, 34700), (260, 32965), (325, 26372), (347, 24700), (380, 22555), (475, 18044), (494, 17350), (650, 13186), (694, 12350), (950, 9022), (988, 8675), (1235, 6940), (1300, 6593), (1388, 6175), (1735, 4940), (1900, 4511), (2470, 3470)]