200042500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 180

約数和(自身を含む): 538477632

約数和(自身を除く): 338435132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 71, 92, 98, 100, 115, 125, 140, 142, 161, 175, 196, 230, 245, 250, 284, 322, 350, 355, 460, 490, 497, 500, 575, 625, 644, 700, 710, 805, 875, 980, 994, 1127, 1150, 1225, 1250, 1420, 1610, 1633, 1750, 1775, 1988, 2254, 2300, 2450, 2485, 2500, 2875, 3220, 3266, 3479, 3500, 3550, 4025, 4375, 4508, 4900, 4970, 5635, 5750, 6125, 6532, 6958, 7100, 8050, 8165, 8750, 8875, 9940, 11270, 11431, 11500, 12250, 12425, 13916, 14375, 16100, 16330, 17395, 17500, 17750, 20125, 22540, 22862, 24500, 24850, 28175, 28750, 30625, 32660, 34790, 35500, 40250, 40825, 44375, 45724, 49700, 56350, 57155, 57500, 61250, 62125, 69580, 80017, 80500, 81650, 86975, 88750, 100625, 112700, 114310, 122500, 124250, 140875, 160034, 163300, 173950, 177500, 201250, 204125, 228620, 248500, 281750, 285775, 310625, 320068, 347900, 400085, 402500, 408250, 434875, 563500, 571550, 621250, 704375, 800170, 816500, 869750, 1020625, 1143100, 1242500, 1408750, 1428875, 1600340, 1739500, 2000425, 2041250, 2174375, 2817500, 2857750, 4000850, 4082500, 4348750, 5715500, 7144375, 8001700, 8697500, 10002125, 14288750, 20004250, 28577500, 40008500, 50010625, 100021250, 200042500]

約数ペア:

[(1, 200042500), (2, 100021250), (4, 50010625), (5, 40008500), (7, 28577500), (10, 20004250), (14, 14288750), (20, 10002125), (23, 8697500), (25, 8001700), (28, 7144375), (35, 5715500), (46, 4348750), (49, 4082500), (50, 4000850), (70, 2857750), (71, 2817500), (92, 2174375), (98, 2041250), (100, 2000425), (115, 1739500), (125, 1600340), (140, 1428875), (142, 1408750), (161, 1242500), (175, 1143100), (196, 1020625), (230, 869750), (245, 816500), (250, 800170), (284, 704375), (322, 621250), (350, 571550), (355, 563500), (460, 434875), (490, 408250), (497, 402500), (500, 400085), (575, 347900), (625, 320068), (644, 310625), (700, 285775), (710, 281750), (805, 248500), (875, 228620), (980, 204125), (994, 201250), (1127, 177500), (1150, 173950), (1225, 163300), (1250, 160034), (1420, 140875), (1610, 124250), (1633, 122500), (1750, 114310), (1775, 112700), (1988, 100625), (2254, 88750), (2300, 86975), (2450, 81650), (2485, 80500), (2500, 80017), (2875, 69580), (3220, 62125), (3266, 61250), (3479, 57500), (3500, 57155), (3550, 56350), (4025, 49700), (4375, 45724), (4508, 44375), (4900, 40825), (4970, 40250), (5635, 35500), (5750, 34790), (6125, 32660), (6532, 30625), (6958, 28750), (7100, 28175), (8050, 24850), (8165, 24500), (8750, 22862), (8875, 22540), (9940, 20125), (11270, 17750), (11431, 17500), (11500, 17395), (12250, 16330), (12425, 16100), (13916, 14375)]