80017000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 230480640

約数和(自身を除く): 150463640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 49, 50, 56, 70, 71, 92, 98, 100, 115, 125, 140, 142, 161, 175, 184, 196, 200, 230, 245, 250, 280, 284, 322, 350, 355, 392, 460, 490, 497, 500, 568, 575, 644, 700, 710, 805, 875, 920, 980, 994, 1000, 1127, 1150, 1225, 1288, 1400, 1420, 1610, 1633, 1750, 1775, 1960, 1988, 2254, 2300, 2450, 2485, 2840, 2875, 3220, 3266, 3479, 3500, 3550, 3976, 4025, 4508, 4600, 4900, 4970, 5635, 5750, 6125, 6440, 6532, 6958, 7000, 7100, 8050, 8165, 8875, 9016, 9800, 9940, 11270, 11431, 11500, 12250, 12425, 13064, 13916, 14200, 16100, 16330, 17395, 17750, 19880, 20125, 22540, 22862, 23000, 24500, 24850, 27832, 28175, 32200, 32660, 34790, 35500, 40250, 40825, 45080, 45724, 49000, 49700, 56350, 57155, 62125, 65320, 69580, 71000, 80017, 80500, 81650, 86975, 91448, 99400, 112700, 114310, 124250, 139160, 140875, 160034, 161000, 163300, 173950, 204125, 225400, 228620, 248500, 281750, 285775, 320068, 326600, 347900, 400085, 408250, 434875, 457240, 497000, 563500, 571550, 640136, 695800, 800170, 816500, 869750, 1127000, 1143100, 1428875, 1600340, 1633000, 1739500, 2000425, 2286200, 2857750, 3200680, 3479000, 4000850, 5715500, 8001700, 10002125, 11431000, 16003400, 20004250, 40008500, 80017000]

約数ペア:

[(1, 80017000), (2, 40008500), (4, 20004250), (5, 16003400), (7, 11431000), (8, 10002125), (10, 8001700), (14, 5715500), (20, 4000850), (23, 3479000), (25, 3200680), (28, 2857750), (35, 2286200), (40, 2000425), (46, 1739500), (49, 1633000), (50, 1600340), (56, 1428875), (70, 1143100), (71, 1127000), (92, 869750), (98, 816500), (100, 800170), (115, 695800), (125, 640136), (140, 571550), (142, 563500), (161, 497000), (175, 457240), (184, 434875), (196, 408250), (200, 400085), (230, 347900), (245, 326600), (250, 320068), (280, 285775), (284, 281750), (322, 248500), (350, 228620), (355, 225400), (392, 204125), (460, 173950), (490, 163300), (497, 161000), (500, 160034), (568, 140875), (575, 139160), (644, 124250), (700, 114310), (710, 112700), (805, 99400), (875, 91448), (920, 86975), (980, 81650), (994, 80500), (1000, 80017), (1127, 71000), (1150, 69580), (1225, 65320), (1288, 62125), (1400, 57155), (1420, 56350), (1610, 49700), (1633, 49000), (1750, 45724), (1775, 45080), (1960, 40825), (1988, 40250), (2254, 35500), (2300, 34790), (2450, 32660), (2485, 32200), (2840, 28175), (2875, 27832), (3220, 24850), (3266, 24500), (3479, 23000), (3500, 22862), (3550, 22540), (3976, 20125), (4025, 19880), (4508, 17750), (4600, 17395), (4900, 16330), (4970, 16100), (5635, 14200), (5750, 13916), (6125, 13064), (6440, 12425), (6532, 12250), (6958, 11500), (7000, 11431), (7100, 11270), (8050, 9940), (8165, 9800), (8875, 9016)]