138655550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{252101}}^1$

素因数の和:252124

約数の個数: 24

約数和(自身を含む): 281345832

約数和(自身を除く): 142690282

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 252101, 504202, 1260505, 2521010, 2773111, 5546222, 6302525, 12605050, 13865555, 27731110, 69327775, 138655550]

約数ペア:

[(1, 138655550), (2, 69327775), (5, 27731110), (10, 13865555), (11, 12605050), (22, 6302525), (25, 5546222), (50, 2773111), (55, 2521010), (110, 1260505), (275, 504202), (550, 252101)]