206547820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{1621}}^1$

素因数の和:1930

約数の個数: 48

約数和(自身を含む): 454523328

約数和(自身を除く): 247975508

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 277, 460, 554, 1108, 1385, 1621, 2770, 3242, 5540, 6371, 6484, 8105, 12742, 16210, 25484, 31855, 32420, 37283, 63710, 74566, 127420, 149132, 186415, 372830, 449017, 745660, 898034, 1796068, 2245085, 4490170, 8980340, 10327391, 20654782, 41309564, 51636955, 103273910, 206547820]

約数ペア:

[(1, 206547820), (2, 103273910), (4, 51636955), (5, 41309564), (10, 20654782), (20, 10327391), (23, 8980340), (46, 4490170), (92, 2245085), (115, 1796068), (230, 898034), (277, 745660), (460, 449017), (554, 372830), (1108, 186415), (1385, 149132), (1621, 127420), (2770, 74566), (3242, 63710), (5540, 37283), (6371, 32420), (6484, 31855), (8105, 25484), (12742, 16210)]