217422260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{2293}}^1$

素因数の和:2744

約数の個数: 48

約数和(自身を含む): 499468032

約数和(自身を除く): 282045772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 431, 862, 1724, 2155, 2293, 4310, 4586, 4741, 8620, 9172, 9482, 11465, 18964, 22930, 23705, 25223, 45860, 47410, 50446, 94820, 100892, 126115, 252230, 504460, 988283, 1976566, 3953132, 4941415, 9882830, 10871113, 19765660, 21742226, 43484452, 54355565, 108711130, 217422260]

約数ペア:

[(1, 217422260), (2, 108711130), (4, 54355565), (5, 43484452), (10, 21742226), (11, 19765660), (20, 10871113), (22, 9882830), (44, 4941415), (55, 3953132), (110, 1976566), (220, 988283), (431, 504460), (862, 252230), (1724, 126115), (2155, 100892), (2293, 94820), (4310, 50446), (4586, 47410), (4741, 45860), (8620, 25223), (9172, 23705), (9482, 22930), (11465, 18964)]