19948600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14249}}^1$

素因数の和:14272

約数の個数: 48

約数和(自身を含む): 53010000

約数和(自身を除く): 33061400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 14249, 28498, 56996, 71245, 99743, 113992, 142490, 199486, 284980, 356225, 398972, 498715, 569960, 712450, 797944, 997430, 1424900, 1994860, 2493575, 2849800, 3989720, 4987150, 9974300, 19948600]

約数ペア:

[(1, 19948600), (2, 9974300), (4, 4987150), (5, 3989720), (7, 2849800), (8, 2493575), (10, 1994860), (14, 1424900), (20, 997430), (25, 797944), (28, 712450), (35, 569960), (40, 498715), (50, 398972), (56, 356225), (70, 284980), (100, 199486), (140, 142490), (175, 113992), (200, 99743), (280, 71245), (350, 56996), (700, 28498), (1400, 14249)]