391567400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{719}}^1$

素因数の和:1131

約数の個数: 96

約数和(自身を含む): 1044576000

約数和(自身を除く): 653008600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 389, 700, 719, 778, 1400, 1438, 1556, 1945, 2723, 2876, 3112, 3595, 3890, 5033, 5446, 5752, 7190, 7780, 9725, 10066, 10892, 13615, 14380, 15560, 17975, 19450, 20132, 21784, 25165, 27230, 28760, 35950, 38900, 40264, 50330, 54460, 68075, 71900, 77800, 100660, 108920, 125825, 136150, 143800, 201320, 251650, 272300, 279691, 503300, 544600, 559382, 1006600, 1118764, 1398455, 1957837, 2237528, 2796910, 3915674, 5593820, 6992275, 7831348, 9789185, 11187640, 13984550, 15662696, 19578370, 27969100, 39156740, 48945925, 55938200, 78313480, 97891850, 195783700, 391567400]

約数ペア:

[(1, 391567400), (2, 195783700), (4, 97891850), (5, 78313480), (7, 55938200), (8, 48945925), (10, 39156740), (14, 27969100), (20, 19578370), (25, 15662696), (28, 13984550), (35, 11187640), (40, 9789185), (50, 7831348), (56, 6992275), (70, 5593820), (100, 3915674), (140, 2796910), (175, 2237528), (200, 1957837), (280, 1398455), (350, 1118764), (389, 1006600), (700, 559382), (719, 544600), (778, 503300), (1400, 279691), (1438, 272300), (1556, 251650), (1945, 201320), (2723, 143800), (2876, 136150), (3112, 125825), (3595, 108920), (3890, 100660), (5033, 77800), (5446, 71900), (5752, 68075), (7190, 54460), (7780, 50330), (9725, 40264), (10066, 38900), (10892, 35950), (13615, 28760), (14380, 27230), (15560, 25165), (17975, 21784), (19450, 20132)]