204054490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{2551}}^1$

素因数の和:2998

約数の個数: 32

約数和(自身を含む): 387699840

約数和(自身を除く): 183645350

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 421, 842, 2105, 2551, 4210, 5102, 7999, 12755, 15998, 25510, 39995, 48469, 79990, 96938, 242345, 484690, 1073971, 2147942, 5369855, 10739710, 20405449, 40810898, 102027245, 204054490]

約数ペア:

[(1, 204054490), (2, 102027245), (5, 40810898), (10, 20405449), (19, 10739710), (38, 5369855), (95, 2147942), (190, 1073971), (421, 484690), (842, 242345), (2105, 96938), (2551, 79990), (4210, 48469), (5102, 39995), (7999, 25510), (12755, 15998)]