689643990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{364891}}^1$

素因数の和:364914

約数の個数: 64

約数和(自身を含む): 2101777920

約数和(自身を除く): 1412133930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 364891, 729782, 1094673, 1824455, 2189346, 2554237, 3284019, 3648910, 5108474, 5473365, 6568038, 7662711, 9852057, 10946730, 12771185, 15325422, 16420095, 19704114, 22988133, 25542370, 32840190, 38313555, 45976266, 49260285, 68964399, 76627110, 98520570, 114940665, 137928798, 229881330, 344821995, 689643990]

約数ペア:

[(1, 689643990), (2, 344821995), (3, 229881330), (5, 137928798), (6, 114940665), (7, 98520570), (9, 76627110), (10, 68964399), (14, 49260285), (15, 45976266), (18, 38313555), (21, 32840190), (27, 25542370), (30, 22988133), (35, 19704114), (42, 16420095), (45, 15325422), (54, 12771185), (63, 10946730), (70, 9852057), (90, 7662711), (105, 6568038), (126, 5473365), (135, 5108474), (189, 3648910), (210, 3284019), (270, 2554237), (315, 2189346), (378, 1824455), (630, 1094673), (945, 729782), (1890, 364891)]