1900130155

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{409}}^1\times {\mathrm{1097}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 2873949120

約数和(自身を除く): 973818965

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 409, 605, 847, 1097, 2045, 2863, 4235, 4499, 5485, 7679, 12067, 14315, 22495, 31493, 38395, 49489, 60335, 84469, 132737, 157465, 247445, 346423, 422345, 448673, 663685, 929159, 1732115, 2243365, 3140711, 4645795, 4935403, 15703555, 24677015, 34547821, 54289433, 172739105, 271447165, 380026031, 1900130155]

約数ペア:

[(1, 1900130155), (5, 380026031), (7, 271447165), (11, 172739105), (35, 54289433), (55, 34547821), (77, 24677015), (121, 15703555), (385, 4935403), (409, 4645795), (605, 3140711), (847, 2243365), (1097, 1732115), (2045, 929159), (2863, 663685), (4235, 448673), (4499, 422345), (5485, 346423), (7679, 247445), (12067, 157465), (14315, 132737), (22495, 84469), (31493, 60335), (38395, 49489)]