71396500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{20399}}^1$

素因数の和:20425

約数の個数: 48

約数和(自身を含む): 178214400

約数和(自身を除く): 106817900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 20399, 40798, 81596, 101995, 142793, 203990, 285586, 407980, 509975, 571172, 713965, 1019950, 1427930, 2039900, 2549875, 2855860, 3569825, 5099750, 7139650, 10199500, 14279300, 17849125, 35698250, 71396500]

約数ペア:

[(1, 71396500), (2, 35698250), (4, 17849125), (5, 14279300), (7, 10199500), (10, 7139650), (14, 5099750), (20, 3569825), (25, 2855860), (28, 2549875), (35, 2039900), (50, 1427930), (70, 1019950), (100, 713965), (125, 571172), (140, 509975), (175, 407980), (250, 285586), (350, 203990), (500, 142793), (700, 101995), (875, 81596), (1750, 40798), (3500, 20399)]