1905080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 4339440

約数和(自身を除く): 2434360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 491, 776, 970, 982, 1940, 1964, 2455, 3880, 3928, 4910, 9820, 19640, 47627, 95254, 190508, 238135, 381016, 476270, 952540, 1905080]

約数ペア:

[(1, 1905080), (2, 952540), (4, 476270), (5, 381016), (8, 238135), (10, 190508), (20, 95254), (40, 47627), (97, 19640), (194, 9820), (388, 4910), (485, 3928), (491, 3880), (776, 2455), (970, 1964), (982, 1940)]