219976000

素因数分解:

$2^6\times 5^3\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:945

約数の個数: 112

約数和(自身を含む): 562977792

約数和(自身を除く): 343001792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 320, 400, 496, 500, 620, 775, 800, 887, 992, 1000, 1240, 1550, 1600, 1774, 1984, 2000, 2480, 3100, 3548, 3875, 4000, 4435, 4960, 6200, 7096, 7750, 8000, 8870, 9920, 12400, 14192, 15500, 17740, 22175, 24800, 27497, 28384, 31000, 35480, 44350, 49600, 54994, 56768, 62000, 70960, 88700, 109988, 110875, 124000, 137485, 141920, 177400, 219976, 221750, 248000, 274970, 283840, 354800, 439952, 443500, 549940, 687425, 709600, 879904, 887000, 1099880, 1374850, 1419200, 1759808, 1774000, 2199760, 2749700, 3437125, 3548000, 4399520, 5499400, 6874250, 7096000, 8799040, 10998800, 13748500, 21997600, 27497000, 43995200, 54994000, 109988000, 219976000]

約数ペア:

[(1, 219976000), (2, 109988000), (4, 54994000), (5, 43995200), (8, 27497000), (10, 21997600), (16, 13748500), (20, 10998800), (25, 8799040), (31, 7096000), (32, 6874250), (40, 5499400), (50, 4399520), (62, 3548000), (64, 3437125), (80, 2749700), (100, 2199760), (124, 1774000), (125, 1759808), (155, 1419200), (160, 1374850), (200, 1099880), (248, 887000), (250, 879904), (310, 709600), (320, 687425), (400, 549940), (496, 443500), (500, 439952), (620, 354800), (775, 283840), (800, 274970), (887, 248000), (992, 221750), (1000, 219976), (1240, 177400), (1550, 141920), (1600, 137485), (1774, 124000), (1984, 110875), (2000, 109988), (2480, 88700), (3100, 70960), (3548, 62000), (3875, 56768), (4000, 54994), (4435, 49600), (4960, 44350), (6200, 35480), (7096, 31000), (7750, 28384), (8000, 27497), (8870, 24800), (9920, 22175), (12400, 17740), (14192, 15500)]