138989800

素因数分解:

$2^3\times 5^2\times {\mathrm{487}}^1\times {\mathrm{1427}}^1$

素因数の和:1930

約数の個数: 48

約数和(自身を含む): 324041760

約数和(自身を除く): 185051960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 487, 974, 1427, 1948, 2435, 2854, 3896, 4870, 5708, 7135, 9740, 11416, 12175, 14270, 19480, 24350, 28540, 35675, 48700, 57080, 71350, 97400, 142700, 285400, 694949, 1389898, 2779796, 3474745, 5559592, 6949490, 13898980, 17373725, 27797960, 34747450, 69494900, 138989800]

約数ペア:

[(1, 138989800), (2, 69494900), (4, 34747450), (5, 27797960), (8, 17373725), (10, 13898980), (20, 6949490), (25, 5559592), (40, 3474745), (50, 2779796), (100, 1389898), (200, 694949), (487, 285400), (974, 142700), (1427, 97400), (1948, 71350), (2435, 57080), (2854, 48700), (3896, 35675), (4870, 28540), (5708, 24350), (7135, 19480), (9740, 14270), (11416, 12175)]