3220000

素因数分解:

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

素因数の和:60

約数の個数: 120

約数和(自身を含む): 9446976

約数和(自身を除く): 6226976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 125, 140, 160, 161, 175, 184, 200, 224, 230, 250, 280, 322, 350, 368, 400, 460, 500, 560, 575, 625, 644, 700, 736, 800, 805, 875, 920, 1000, 1120, 1150, 1250, 1288, 1400, 1610, 1750, 1840, 2000, 2300, 2500, 2576, 2800, 2875, 3220, 3500, 3680, 4000, 4025, 4375, 4600, 5000, 5152, 5600, 5750, 6440, 7000, 8050, 8750, 9200, 10000, 11500, 12880, 14000, 14375, 16100, 17500, 18400, 20000, 20125, 23000, 25760, 28000, 28750, 32200, 35000, 40250, 46000, 57500, 64400, 70000, 80500, 92000, 100625, 115000, 128800, 140000, 161000, 201250, 230000, 322000, 402500, 460000, 644000, 805000, 1610000, 3220000]

約数ペア:

[(1, 3220000), (2, 1610000), (4, 805000), (5, 644000), (7, 460000), (8, 402500), (10, 322000), (14, 230000), (16, 201250), (20, 161000), (23, 140000), (25, 128800), (28, 115000), (32, 100625), (35, 92000), (40, 80500), (46, 70000), (50, 64400), (56, 57500), (70, 46000), (80, 40250), (92, 35000), (100, 32200), (112, 28750), (115, 28000), (125, 25760), (140, 23000), (160, 20125), (161, 20000), (175, 18400), (184, 17500), (200, 16100), (224, 14375), (230, 14000), (250, 12880), (280, 11500), (322, 10000), (350, 9200), (368, 8750), (400, 8050), (460, 7000), (500, 6440), (560, 5750), (575, 5600), (625, 5152), (644, 5000), (700, 4600), (736, 4375), (800, 4025), (805, 4000), (875, 3680), (920, 3500), (1000, 3220), (1120, 2875), (1150, 2800), (1250, 2576), (1288, 2500), (1400, 2300), (1610, 2000), (1750, 1840)]