71334800

素因数分解:

$2^4\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1283}}^1$

素因数の和:1440

約数の個数: 60

約数和(自身を含む): 172749360

約数和(自身を除く): 101414560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 139, 200, 278, 400, 556, 695, 1112, 1283, 1390, 2224, 2566, 2780, 3475, 5132, 5560, 6415, 6950, 10264, 11120, 12830, 13900, 20528, 25660, 27800, 32075, 51320, 55600, 64150, 102640, 128300, 178337, 256600, 356674, 513200, 713348, 891685, 1426696, 1783370, 2853392, 3566740, 4458425, 7133480, 8916850, 14266960, 17833700, 35667400, 71334800]

約数ペア:

[(1, 71334800), (2, 35667400), (4, 17833700), (5, 14266960), (8, 8916850), (10, 7133480), (16, 4458425), (20, 3566740), (25, 2853392), (40, 1783370), (50, 1426696), (80, 891685), (100, 713348), (139, 513200), (200, 356674), (278, 256600), (400, 178337), (556, 128300), (695, 102640), (1112, 64150), (1283, 55600), (1390, 51320), (2224, 32075), (2566, 27800), (2780, 25660), (3475, 20528), (5132, 13900), (5560, 12830), (6415, 11120), (6950, 10264)]