19290000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{643}}^1$

素因数の和:674

約数の個数: 100

約数和(自身を含む): 62367536

約数和(自身を除く): 43077536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 625, 643, 750, 1000, 1200, 1250, 1286, 1500, 1875, 1929, 2000, 2500, 2572, 3000, 3215, 3750, 3858, 5000, 5144, 6000, 6430, 7500, 7716, 9645, 10000, 10288, 12860, 15000, 15432, 16075, 19290, 25720, 30000, 30864, 32150, 38580, 48225, 51440, 64300, 77160, 80375, 96450, 128600, 154320, 160750, 192900, 241125, 257200, 321500, 385800, 401875, 482250, 643000, 771600, 803750, 964500, 1205625, 1286000, 1607500, 1929000, 2411250, 3215000, 3858000, 4822500, 6430000, 9645000, 19290000]

約数ペア:

[(1, 19290000), (2, 9645000), (3, 6430000), (4, 4822500), (5, 3858000), (6, 3215000), (8, 2411250), (10, 1929000), (12, 1607500), (15, 1286000), (16, 1205625), (20, 964500), (24, 803750), (25, 771600), (30, 643000), (40, 482250), (48, 401875), (50, 385800), (60, 321500), (75, 257200), (80, 241125), (100, 192900), (120, 160750), (125, 154320), (150, 128600), (200, 96450), (240, 80375), (250, 77160), (300, 64300), (375, 51440), (400, 48225), (500, 38580), (600, 32150), (625, 30864), (643, 30000), (750, 25720), (1000, 19290), (1200, 16075), (1250, 15432), (1286, 15000), (1500, 12860), (1875, 10288), (1929, 10000), (2000, 9645), (2500, 7716), (2572, 7500), (3000, 6430), (3215, 6000), (3750, 5144), (3858, 5000)]