6388420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 14076720

約数和(自身を除く): 7688300

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 89, 97, 148, 178, 185, 194, 356, 370, 388, 445, 485, 740, 890, 970, 1780, 1940, 3293, 3589, 6586, 7178, 8633, 13172, 14356, 16465, 17266, 17945, 32930, 34532, 35890, 43165, 65860, 71780, 86330, 172660, 319421, 638842, 1277684, 1597105, 3194210, 6388420]

約数ペア:

[(1, 6388420), (2, 3194210), (4, 1597105), (5, 1277684), (10, 638842), (20, 319421), (37, 172660), (74, 86330), (89, 71780), (97, 65860), (148, 43165), (178, 35890), (185, 34532), (194, 32930), (356, 17945), (370, 17266), (388, 16465), (445, 14356), (485, 13172), (740, 8633), (890, 7178), (970, 6586), (1780, 3589), (1940, 3293)]