3190400

素因数分解:

$2^7\times 5^2\times {\mathrm{997}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 7889190

約数和(自身を除く): 4698790

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 997, 1600, 1994, 3200, 3988, 4985, 7976, 9970, 15952, 19940, 24925, 31904, 39880, 49850, 63808, 79760, 99700, 127616, 159520, 199400, 319040, 398800, 638080, 797600, 1595200, 3190400]

約数ペア:

[(1, 3190400), (2, 1595200), (4, 797600), (5, 638080), (8, 398800), (10, 319040), (16, 199400), (20, 159520), (25, 127616), (32, 99700), (40, 79760), (50, 63808), (64, 49850), (80, 39880), (100, 31904), (128, 24925), (160, 19940), (200, 15952), (320, 9970), (400, 7976), (640, 4985), (800, 3988), (997, 3200), (1600, 1994)]