2109000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:80

約数の個数: 128

約数和(自身を含む): 7113600

約数和(自身を除く): 5004600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 37, 38, 40, 50, 57, 60, 74, 75, 76, 95, 100, 111, 114, 120, 125, 148, 150, 152, 185, 190, 200, 222, 228, 250, 285, 296, 300, 370, 375, 380, 444, 456, 475, 500, 555, 570, 600, 703, 740, 750, 760, 888, 925, 950, 1000, 1110, 1140, 1406, 1425, 1480, 1500, 1850, 1900, 2109, 2220, 2280, 2375, 2775, 2812, 2850, 3000, 3515, 3700, 3800, 4218, 4440, 4625, 4750, 5550, 5624, 5700, 7030, 7125, 7400, 8436, 9250, 9500, 10545, 11100, 11400, 13875, 14060, 14250, 16872, 17575, 18500, 19000, 21090, 22200, 27750, 28120, 28500, 35150, 37000, 42180, 52725, 55500, 57000, 70300, 84360, 87875, 105450, 111000, 140600, 175750, 210900, 263625, 351500, 421800, 527250, 703000, 1054500, 2109000]

約数ペア:

[(1, 2109000), (2, 1054500), (3, 703000), (4, 527250), (5, 421800), (6, 351500), (8, 263625), (10, 210900), (12, 175750), (15, 140600), (19, 111000), (20, 105450), (24, 87875), (25, 84360), (30, 70300), (37, 57000), (38, 55500), (40, 52725), (50, 42180), (57, 37000), (60, 35150), (74, 28500), (75, 28120), (76, 27750), (95, 22200), (100, 21090), (111, 19000), (114, 18500), (120, 17575), (125, 16872), (148, 14250), (150, 14060), (152, 13875), (185, 11400), (190, 11100), (200, 10545), (222, 9500), (228, 9250), (250, 8436), (285, 7400), (296, 7125), (300, 7030), (370, 5700), (375, 5624), (380, 5550), (444, 4750), (456, 4625), (475, 4440), (500, 4218), (555, 3800), (570, 3700), (600, 3515), (703, 3000), (740, 2850), (750, 2812), (760, 2775), (888, 2375), (925, 2280), (950, 2220), (1000, 2109), (1110, 1900), (1140, 1850), (1406, 1500), (1425, 1480)]