198300000

素因数分解:

$2^5\times 3^1\times 5^5\times {\mathrm{661}}^1$

素因数の和:699

約数の個数: 144

約数和(自身を含む): 651614544

約数和(自身を除く): 453314544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 625, 661, 750, 800, 1000, 1200, 1250, 1322, 1500, 1875, 1983, 2000, 2400, 2500, 2644, 3000, 3125, 3305, 3750, 3966, 4000, 5000, 5288, 6000, 6250, 6610, 7500, 7932, 9375, 9915, 10000, 10576, 12000, 12500, 13220, 15000, 15864, 16525, 18750, 19830, 20000, 21152, 25000, 26440, 30000, 31728, 33050, 37500, 39660, 49575, 50000, 52880, 60000, 63456, 66100, 75000, 79320, 82625, 99150, 100000, 105760, 132200, 150000, 158640, 165250, 198300, 247875, 264400, 300000, 317280, 330500, 396600, 413125, 495750, 528800, 661000, 793200, 826250, 991500, 1239375, 1322000, 1586400, 1652500, 1983000, 2065625, 2478750, 2644000, 3305000, 3966000, 4131250, 4957500, 6196875, 6610000, 7932000, 8262500, 9915000, 12393750, 13220000, 16525000, 19830000, 24787500, 33050000, 39660000, 49575000, 66100000, 99150000, 198300000]

約数ペア:

[(1, 198300000), (2, 99150000), (3, 66100000), (4, 49575000), (5, 39660000), (6, 33050000), (8, 24787500), (10, 19830000), (12, 16525000), (15, 13220000), (16, 12393750), (20, 9915000), (24, 8262500), (25, 7932000), (30, 6610000), (32, 6196875), (40, 4957500), (48, 4131250), (50, 3966000), (60, 3305000), (75, 2644000), (80, 2478750), (96, 2065625), (100, 1983000), (120, 1652500), (125, 1586400), (150, 1322000), (160, 1239375), (200, 991500), (240, 826250), (250, 793200), (300, 661000), (375, 528800), (400, 495750), (480, 413125), (500, 396600), (600, 330500), (625, 317280), (661, 300000), (750, 264400), (800, 247875), (1000, 198300), (1200, 165250), (1250, 158640), (1322, 150000), (1500, 132200), (1875, 105760), (1983, 100000), (2000, 99150), (2400, 82625), (2500, 79320), (2644, 75000), (3000, 66100), (3125, 63456), (3305, 60000), (3750, 52880), (3966, 50000), (4000, 49575), (5000, 39660), (5288, 37500), (6000, 33050), (6250, 31728), (6610, 30000), (7500, 26440), (7932, 25000), (9375, 21152), (9915, 20000), (10000, 19830), (10576, 18750), (12000, 16525), (12500, 15864), (13220, 15000)]