19938800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7121}}^1$

素因数の和:7146

約数の個数: 60

約数和(自身を含む): 54753936

約数和(自身を除く): 34815136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7121, 14242, 28484, 35605, 49847, 56968, 71210, 99694, 113936, 142420, 178025, 199388, 249235, 284840, 356050, 398776, 498470, 569680, 712100, 797552, 996940, 1246175, 1424200, 1993880, 2492350, 2848400, 3987760, 4984700, 9969400, 19938800]

約数ペア:

[(1, 19938800), (2, 9969400), (4, 4984700), (5, 3987760), (7, 2848400), (8, 2492350), (10, 1993880), (14, 1424200), (16, 1246175), (20, 996940), (25, 797552), (28, 712100), (35, 569680), (40, 498470), (50, 398776), (56, 356050), (70, 284840), (80, 249235), (100, 199388), (112, 178025), (140, 142420), (175, 113936), (200, 99694), (280, 71210), (350, 56968), (400, 49847), (560, 35605), (700, 28484), (1400, 14242), (2800, 7121)]