1885164020

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{242309}}^1$

素因数の和:242707

約数の個数: 24

約数和(自身を含む): 3969037800

約数和(自身を除く): 2083873780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 242309, 484618, 969236, 1211545, 2423090, 4846180, 94258201, 188516402, 377032804, 471291005, 942582010, 1885164020]

約数ペア:

[(1, 1885164020), (2, 942582010), (4, 471291005), (5, 377032804), (10, 188516402), (20, 94258201), (389, 4846180), (778, 2423090), (1556, 1211545), (1945, 969236), (3890, 484618), (7780, 242309)]