1949804900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{599}}^1\times {\mathrm{757}}^1$

素因数の和:1413

約数の個数: 72

約数和(自身を含む): 4342430400

約数和(自身を除く): 2392625500

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 599, 757, 860, 1075, 1198, 1514, 2150, 2396, 2995, 3028, 3785, 4300, 5990, 7570, 11980, 14975, 15140, 18925, 25757, 29950, 32551, 37850, 51514, 59900, 65102, 75700, 103028, 128785, 130204, 162755, 257570, 325510, 453443, 515140, 643925, 651020, 813775, 906886, 1287850, 1627550, 1813772, 2267215, 2575700, 3255100, 4534430, 9068860, 11336075, 19498049, 22672150, 38996098, 45344300, 77992196, 97490245, 194980490, 389960980, 487451225, 974902450, 1949804900]

約数ペア:

[(1, 1949804900), (2, 974902450), (4, 487451225), (5, 389960980), (10, 194980490), (20, 97490245), (25, 77992196), (43, 45344300), (50, 38996098), (86, 22672150), (100, 19498049), (172, 11336075), (215, 9068860), (430, 4534430), (599, 3255100), (757, 2575700), (860, 2267215), (1075, 1813772), (1198, 1627550), (1514, 1287850), (2150, 906886), (2396, 813775), (2995, 651020), (3028, 643925), (3785, 515140), (4300, 453443), (5990, 325510), (7570, 257570), (11980, 162755), (14975, 130204), (15140, 128785), (18925, 103028), (25757, 75700), (29950, 65102), (32551, 59900), (37850, 51514)]