2254000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{23}}^1$

素因数の和:60

約数の個数: 120

約数和(自身を含む): 6615648

約数和(自身を除く): 4361648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 49, 50, 56, 70, 80, 92, 98, 100, 112, 115, 125, 140, 161, 175, 184, 196, 200, 230, 245, 250, 280, 322, 350, 368, 392, 400, 460, 490, 500, 560, 575, 644, 700, 784, 805, 875, 920, 980, 1000, 1127, 1150, 1225, 1288, 1400, 1610, 1750, 1840, 1960, 2000, 2254, 2300, 2450, 2576, 2800, 2875, 3220, 3500, 3920, 4025, 4508, 4600, 4900, 5635, 5750, 6125, 6440, 7000, 8050, 9016, 9200, 9800, 11270, 11500, 12250, 12880, 14000, 16100, 18032, 19600, 20125, 22540, 23000, 24500, 28175, 32200, 40250, 45080, 46000, 49000, 56350, 64400, 80500, 90160, 98000, 112700, 140875, 161000, 225400, 281750, 322000, 450800, 563500, 1127000, 2254000]

約数ペア:

[(1, 2254000), (2, 1127000), (4, 563500), (5, 450800), (7, 322000), (8, 281750), (10, 225400), (14, 161000), (16, 140875), (20, 112700), (23, 98000), (25, 90160), (28, 80500), (35, 64400), (40, 56350), (46, 49000), (49, 46000), (50, 45080), (56, 40250), (70, 32200), (80, 28175), (92, 24500), (98, 23000), (100, 22540), (112, 20125), (115, 19600), (125, 18032), (140, 16100), (161, 14000), (175, 12880), (184, 12250), (196, 11500), (200, 11270), (230, 9800), (245, 9200), (250, 9016), (280, 8050), (322, 7000), (350, 6440), (368, 6125), (392, 5750), (400, 5635), (460, 4900), (490, 4600), (500, 4508), (560, 4025), (575, 3920), (644, 3500), (700, 3220), (784, 2875), (805, 2800), (875, 2576), (920, 2450), (980, 2300), (1000, 2254), (1127, 2000), (1150, 1960), (1225, 1840), (1288, 1750), (1400, 1610)]