206087440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2791}}^1$

素因数の和:2888

約数の個数: 80

約数和(自身を含む): 523466496

約数和(自身を除く): 317379056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1040, 1136, 1420, 1846, 2791, 2840, 3692, 4615, 5582, 5680, 7384, 9230, 11164, 13955, 14768, 18460, 22328, 27910, 36283, 36920, 44656, 55820, 72566, 73840, 111640, 145132, 181415, 198161, 223280, 290264, 362830, 396322, 580528, 725660, 792644, 990805, 1451320, 1585288, 1981610, 2576093, 2902640, 3170576, 3963220, 5152186, 7926440, 10304372, 12880465, 15852880, 20608744, 25760930, 41217488, 51521860, 103043720, 206087440]

約数ペア:

[(1, 206087440), (2, 103043720), (4, 51521860), (5, 41217488), (8, 25760930), (10, 20608744), (13, 15852880), (16, 12880465), (20, 10304372), (26, 7926440), (40, 5152186), (52, 3963220), (65, 3170576), (71, 2902640), (80, 2576093), (104, 1981610), (130, 1585288), (142, 1451320), (208, 990805), (260, 792644), (284, 725660), (355, 580528), (520, 396322), (568, 362830), (710, 290264), (923, 223280), (1040, 198161), (1136, 181415), (1420, 145132), (1846, 111640), (2791, 73840), (2840, 72566), (3692, 55820), (4615, 44656), (5582, 36920), (5680, 36283), (7384, 27910), (9230, 22328), (11164, 18460), (13955, 14768)]