38705500

素因数分解:

$2^2\times 5^3\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 85176000

約数和(自身を除く): 46470500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 199, 250, 389, 398, 500, 778, 796, 995, 1556, 1945, 1990, 3890, 3980, 4975, 7780, 9725, 9950, 19450, 19900, 24875, 38900, 48625, 49750, 77411, 97250, 99500, 154822, 194500, 309644, 387055, 774110, 1548220, 1935275, 3870550, 7741100, 9676375, 19352750, 38705500]

約数ペア:

[(1, 38705500), (2, 19352750), (4, 9676375), (5, 7741100), (10, 3870550), (20, 1935275), (25, 1548220), (50, 774110), (100, 387055), (125, 309644), (199, 194500), (250, 154822), (389, 99500), (398, 97250), (500, 77411), (778, 49750), (796, 48625), (995, 38900), (1556, 24875), (1945, 19900), (1990, 19450), (3890, 9950), (3980, 9725), (4975, 7780)]