189743500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{19973}}^1$

素因数の和:20011

約数の個数: 48

約数和(自身を含む): 436232160

約数和(自身を除く): 246488660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 9500, 19973, 39946, 79892, 99865, 199730, 379487, 399460, 499325, 758974, 998650, 1517948, 1897435, 1997300, 2496625, 3794870, 4993250, 7589740, 9487175, 9986500, 18974350, 37948700, 47435875, 94871750, 189743500]

約数ペア:

[(1, 189743500), (2, 94871750), (4, 47435875), (5, 37948700), (10, 18974350), (19, 9986500), (20, 9487175), (25, 7589740), (38, 4993250), (50, 3794870), (76, 2496625), (95, 1997300), (100, 1897435), (125, 1517948), (190, 998650), (250, 758974), (380, 499325), (475, 399460), (500, 379487), (950, 199730), (1900, 99865), (2375, 79892), (4750, 39946), (9500, 19973)]