352000880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{57143}}^1$

素因数の和:57174

約数の個数: 80

約数和(自身を含む): 1020363264

約数和(自身を除く): 668362384

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 57143, 114286, 228572, 285715, 400001, 457144, 571430, 628573, 800002, 914288, 1142860, 1257146, 1600004, 2000005, 2285720, 2514292, 3142865, 3200008, 4000010, 4400011, 4571440, 5028584, 6285730, 6400016, 8000020, 8800022, 10057168, 12571460, 16000040, 17600044, 22000055, 25142920, 32000080, 35200088, 44000110, 50285840, 70400176, 88000220, 176000440, 352000880]

約数ペア:

[(1, 352000880), (2, 176000440), (4, 88000220), (5, 70400176), (7, 50285840), (8, 44000110), (10, 35200088), (11, 32000080), (14, 25142920), (16, 22000055), (20, 17600044), (22, 16000040), (28, 12571460), (35, 10057168), (40, 8800022), (44, 8000020), (55, 6400016), (56, 6285730), (70, 5028584), (77, 4571440), (80, 4400011), (88, 4000010), (110, 3200008), (112, 3142865), (140, 2514292), (154, 2285720), (176, 2000005), (220, 1600004), (280, 1257146), (308, 1142860), (385, 914288), (440, 800002), (560, 628573), (616, 571430), (770, 457144), (880, 400001), (1232, 285715), (1540, 228572), (3080, 114286), (6160, 57143)]