27922420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 60999120

約数和(自身を除く): 33076700

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 370, 388, 389, 485, 740, 778, 970, 1556, 1940, 1945, 3589, 3890, 7178, 7780, 14356, 14393, 17945, 28786, 35890, 37733, 57572, 71780, 71965, 75466, 143930, 150932, 188665, 287860, 377330, 754660, 1396121, 2792242, 5584484, 6980605, 13961210, 27922420]

約数ペア:

[(1, 27922420), (2, 13961210), (4, 6980605), (5, 5584484), (10, 2792242), (20, 1396121), (37, 754660), (74, 377330), (97, 287860), (148, 188665), (185, 150932), (194, 143930), (370, 75466), (388, 71965), (389, 71780), (485, 57572), (740, 37733), (778, 35890), (970, 28786), (1556, 17945), (1940, 14393), (1945, 14356), (3589, 7780), (3890, 7178)]