212644000

素因数分解:

$2^5\times 5^3\times {\mathrm{53161}}^1$

素因数の和:53186

約数の個数: 48

約数和(自身を含む): 522476136

約数和(自身を除く): 309832136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 53161, 106322, 212644, 265805, 425288, 531610, 850576, 1063220, 1329025, 1701152, 2126440, 2658050, 4252880, 5316100, 6645125, 8505760, 10632200, 13290250, 21264400, 26580500, 42528800, 53161000, 106322000, 212644000]

約数ペア:

[(1, 212644000), (2, 106322000), (4, 53161000), (5, 42528800), (8, 26580500), (10, 21264400), (16, 13290250), (20, 10632200), (25, 8505760), (32, 6645125), (40, 5316100), (50, 4252880), (80, 2658050), (100, 2126440), (125, 1701152), (160, 1329025), (200, 1063220), (250, 850576), (400, 531610), (500, 425288), (800, 265805), (1000, 212644), (2000, 106322), (4000, 53161)]