30571000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1649

約数の個数: 64

約数和(自身を含む): 75348000

約数和(自身を除く): 44777000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1609, 1900, 2375, 3218, 3800, 4750, 6436, 8045, 9500, 12872, 16090, 19000, 30571, 32180, 40225, 61142, 64360, 80450, 122284, 152855, 160900, 201125, 244568, 305710, 321800, 402250, 611420, 764275, 804500, 1222840, 1528550, 1609000, 3057100, 3821375, 6114200, 7642750, 15285500, 30571000]

約数ペア:

[(1, 30571000), (2, 15285500), (4, 7642750), (5, 6114200), (8, 3821375), (10, 3057100), (19, 1609000), (20, 1528550), (25, 1222840), (38, 804500), (40, 764275), (50, 611420), (76, 402250), (95, 321800), (100, 305710), (125, 244568), (152, 201125), (190, 160900), (200, 152855), (250, 122284), (380, 80450), (475, 64360), (500, 61142), (760, 40225), (950, 32180), (1000, 30571), (1609, 19000), (1900, 16090), (2375, 12872), (3218, 9500), (3800, 8045), (4750, 6436)]