66719000

素因数分解:

$2^3\times 5^3\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 157584960

約数和(自身を除く): 90865960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 137, 200, 250, 274, 487, 500, 548, 685, 974, 1000, 1096, 1370, 1948, 2435, 2740, 3425, 3896, 4870, 5480, 6850, 9740, 12175, 13700, 17125, 19480, 24350, 27400, 34250, 48700, 60875, 66719, 68500, 97400, 121750, 133438, 137000, 243500, 266876, 333595, 487000, 533752, 667190, 1334380, 1667975, 2668760, 3335950, 6671900, 8339875, 13343800, 16679750, 33359500, 66719000]

約数ペア:

[(1, 66719000), (2, 33359500), (4, 16679750), (5, 13343800), (8, 8339875), (10, 6671900), (20, 3335950), (25, 2668760), (40, 1667975), (50, 1334380), (100, 667190), (125, 533752), (137, 487000), (200, 333595), (250, 266876), (274, 243500), (487, 137000), (500, 133438), (548, 121750), (685, 97400), (974, 68500), (1000, 66719), (1096, 60875), (1370, 48700), (1948, 34250), (2435, 27400), (2740, 24350), (3425, 19480), (3896, 17125), (4870, 13700), (5480, 12175), (6850, 9740)]