1728377000

素因数分解:

$2^3\times 5^3\times 7^3\times {\mathrm{5039}}^1$

素因数の和:5081

約数の個数: 128

約数和(自身を含む): 4717440000

約数和(自身を除く): 2989063000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 343, 350, 392, 490, 500, 686, 700, 875, 980, 1000, 1225, 1372, 1400, 1715, 1750, 1960, 2450, 2744, 3430, 3500, 4900, 5039, 6125, 6860, 7000, 8575, 9800, 10078, 12250, 13720, 17150, 20156, 24500, 25195, 34300, 35273, 40312, 42875, 49000, 50390, 68600, 70546, 85750, 100780, 125975, 141092, 171500, 176365, 201560, 246911, 251950, 282184, 343000, 352730, 493822, 503900, 629875, 705460, 881825, 987644, 1007800, 1234555, 1259750, 1410920, 1728377, 1763650, 1975288, 2469110, 2519500, 3456754, 3527300, 4409125, 4938220, 5039000, 6172775, 6913508, 7054600, 8641885, 8818250, 9876440, 12345550, 13827016, 17283770, 17636500, 24691100, 30863875, 34567540, 35273000, 43209425, 49382200, 61727750, 69135080, 86418850, 123455500, 172837700, 216047125, 246911000, 345675400, 432094250, 864188500, 1728377000]

約数ペア:

[(1, 1728377000), (2, 864188500), (4, 432094250), (5, 345675400), (7, 246911000), (8, 216047125), (10, 172837700), (14, 123455500), (20, 86418850), (25, 69135080), (28, 61727750), (35, 49382200), (40, 43209425), (49, 35273000), (50, 34567540), (56, 30863875), (70, 24691100), (98, 17636500), (100, 17283770), (125, 13827016), (140, 12345550), (175, 9876440), (196, 8818250), (200, 8641885), (245, 7054600), (250, 6913508), (280, 6172775), (343, 5039000), (350, 4938220), (392, 4409125), (490, 3527300), (500, 3456754), (686, 2519500), (700, 2469110), (875, 1975288), (980, 1763650), (1000, 1728377), (1225, 1410920), (1372, 1259750), (1400, 1234555), (1715, 1007800), (1750, 987644), (1960, 881825), (2450, 705460), (2744, 629875), (3430, 503900), (3500, 493822), (4900, 352730), (5039, 343000), (6125, 282184), (6860, 251950), (7000, 246911), (8575, 201560), (9800, 176365), (10078, 171500), (12250, 141092), (13720, 125975), (17150, 100780), (20156, 85750), (24500, 70546), (25195, 68600), (34300, 50390), (35273, 49000), (40312, 42875)]