281330000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{4019}}^1$

素因数の和:4054

約数の個数: 100

約数和(自身を含む): 778625760

約数和(自身を除く): 497295760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 625, 700, 875, 1000, 1250, 1400, 1750, 2000, 2500, 2800, 3500, 4019, 4375, 5000, 7000, 8038, 8750, 10000, 14000, 16076, 17500, 20095, 28133, 32152, 35000, 40190, 56266, 64304, 70000, 80380, 100475, 112532, 140665, 160760, 200950, 225064, 281330, 321520, 401900, 450128, 502375, 562660, 703325, 803800, 1004750, 1125320, 1406650, 1607600, 2009500, 2250640, 2511875, 2813300, 3516625, 4019000, 5023750, 5626600, 7033250, 8038000, 10047500, 11253200, 14066500, 17583125, 20095000, 28133000, 35166250, 40190000, 56266000, 70332500, 140665000, 281330000]

約数ペア:

[(1, 281330000), (2, 140665000), (4, 70332500), (5, 56266000), (7, 40190000), (8, 35166250), (10, 28133000), (14, 20095000), (16, 17583125), (20, 14066500), (25, 11253200), (28, 10047500), (35, 8038000), (40, 7033250), (50, 5626600), (56, 5023750), (70, 4019000), (80, 3516625), (100, 2813300), (112, 2511875), (125, 2250640), (140, 2009500), (175, 1607600), (200, 1406650), (250, 1125320), (280, 1004750), (350, 803800), (400, 703325), (500, 562660), (560, 502375), (625, 450128), (700, 401900), (875, 321520), (1000, 281330), (1250, 225064), (1400, 200950), (1750, 160760), (2000, 140665), (2500, 112532), (2800, 100475), (3500, 80380), (4019, 70000), (4375, 64304), (5000, 56266), (7000, 40190), (8038, 35000), (8750, 32152), (10000, 28133), (14000, 20095), (16076, 17500)]