858506800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{661}}^1$

素因数の和:887

約数の個数: 120

約数和(自身を含む): 2198644992

約数和(自身を除く): 1340138192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 191, 200, 272, 340, 382, 400, 425, 661, 680, 764, 850, 955, 1322, 1360, 1528, 1700, 1910, 2644, 3056, 3247, 3305, 3400, 3820, 4775, 5288, 6494, 6610, 6800, 7640, 9550, 10576, 11237, 12988, 13220, 15280, 16235, 16525, 19100, 22474, 25976, 26440, 32470, 33050, 38200, 44948, 51952, 52880, 56185, 64940, 66100, 76400, 81175, 89896, 112370, 126251, 129880, 132200, 162350, 179792, 224740, 252502, 259760, 264400, 280925, 324700, 449480, 505004, 561850, 631255, 649400, 898960, 1010008, 1123700, 1262510, 1298800, 2020016, 2146267, 2247400, 2525020, 3156275, 4292534, 4494800, 5050040, 6312550, 8585068, 10100080, 10731335, 12625100, 17170136, 21462670, 25250200, 34340272, 42925340, 50500400, 53656675, 85850680, 107313350, 171701360, 214626700, 429253400, 858506800]

約数ペア:

[(1, 858506800), (2, 429253400), (4, 214626700), (5, 171701360), (8, 107313350), (10, 85850680), (16, 53656675), (17, 50500400), (20, 42925340), (25, 34340272), (34, 25250200), (40, 21462670), (50, 17170136), (68, 12625100), (80, 10731335), (85, 10100080), (100, 8585068), (136, 6312550), (170, 5050040), (191, 4494800), (200, 4292534), (272, 3156275), (340, 2525020), (382, 2247400), (400, 2146267), (425, 2020016), (661, 1298800), (680, 1262510), (764, 1123700), (850, 1010008), (955, 898960), (1322, 649400), (1360, 631255), (1528, 561850), (1700, 505004), (1910, 449480), (2644, 324700), (3056, 280925), (3247, 264400), (3305, 259760), (3400, 252502), (3820, 224740), (4775, 179792), (5288, 162350), (6494, 132200), (6610, 129880), (6800, 126251), (7640, 112370), (9550, 89896), (10576, 81175), (11237, 76400), (12988, 66100), (13220, 64940), (15280, 56185), (16235, 52880), (16525, 51952), (19100, 44948), (22474, 38200), (25976, 33050), (26440, 32470)]