215509000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1811}}^1$

素因数の和:1856

約数の個数: 128

約数和(自身を含む): 610571520

約数和(自身を除く): 395062520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 85, 100, 119, 125, 136, 140, 170, 175, 200, 238, 250, 280, 340, 350, 425, 476, 500, 595, 680, 700, 850, 875, 952, 1000, 1190, 1400, 1700, 1750, 1811, 2125, 2380, 2975, 3400, 3500, 3622, 4250, 4760, 5950, 7000, 7244, 8500, 9055, 11900, 12677, 14488, 14875, 17000, 18110, 23800, 25354, 29750, 30787, 36220, 45275, 50708, 59500, 61574, 63385, 72440, 90550, 101416, 119000, 123148, 126770, 153935, 181100, 215509, 226375, 246296, 253540, 307870, 316925, 362200, 431018, 452750, 507080, 615740, 633850, 769675, 862036, 905500, 1077545, 1231480, 1267700, 1539350, 1584625, 1724072, 1811000, 2155090, 2535400, 3078700, 3169250, 3848375, 4310180, 5387725, 6157400, 6338500, 7696750, 8620360, 10775450, 12677000, 15393500, 21550900, 26938625, 30787000, 43101800, 53877250, 107754500, 215509000]

約数ペア:

[(1, 215509000), (2, 107754500), (4, 53877250), (5, 43101800), (7, 30787000), (8, 26938625), (10, 21550900), (14, 15393500), (17, 12677000), (20, 10775450), (25, 8620360), (28, 7696750), (34, 6338500), (35, 6157400), (40, 5387725), (50, 4310180), (56, 3848375), (68, 3169250), (70, 3078700), (85, 2535400), (100, 2155090), (119, 1811000), (125, 1724072), (136, 1584625), (140, 1539350), (170, 1267700), (175, 1231480), (200, 1077545), (238, 905500), (250, 862036), (280, 769675), (340, 633850), (350, 615740), (425, 507080), (476, 452750), (500, 431018), (595, 362200), (680, 316925), (700, 307870), (850, 253540), (875, 246296), (952, 226375), (1000, 215509), (1190, 181100), (1400, 153935), (1700, 126770), (1750, 123148), (1811, 119000), (2125, 101416), (2380, 90550), (2975, 72440), (3400, 63385), (3500, 61574), (3622, 59500), (4250, 50708), (4760, 45275), (5950, 36220), (7000, 30787), (7244, 29750), (8500, 25354), (9055, 23800), (11900, 18110), (12677, 17000), (14488, 14875)]