31047200

素因数分解:

$2^5\times 5^2\times {\mathrm{197}}^2$

素因数の和:414

約数の個数: 54

約数和(自身を含む): 76180671

約数和(自身を除く): 45133471

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 197, 200, 394, 400, 788, 800, 985, 1576, 1970, 3152, 3940, 4925, 6304, 7880, 9850, 15760, 19700, 31520, 38809, 39400, 77618, 78800, 155236, 157600, 194045, 310472, 388090, 620944, 776180, 970225, 1241888, 1552360, 1940450, 3104720, 3880900, 6209440, 7761800, 15523600, 31047200]

約数ペア:

[(1, 31047200), (2, 15523600), (4, 7761800), (5, 6209440), (8, 3880900), (10, 3104720), (16, 1940450), (20, 1552360), (25, 1241888), (32, 970225), (40, 776180), (50, 620944), (80, 388090), (100, 310472), (160, 194045), (197, 157600), (200, 155236), (394, 78800), (400, 77618), (788, 39400), (800, 38809), (985, 31520), (1576, 19700), (1970, 15760), (3152, 9850), (3940, 7880), (4925, 6304)]