280874884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{26309}}^1$

素因数の和:26487

約数の個数: 24

約数和(自身を含む): 523779480

約数和(自身を除く): 242904596

約数列:

[1, 2, 4, 17, 34, 68, 157, 314, 628, 2669, 5338, 10676, 26309, 52618, 105236, 447253, 894506, 1789012, 4130513, 8261026, 16522052, 70218721, 140437442, 280874884]

約数ペア:

[(1, 280874884), (2, 140437442), (4, 70218721), (17, 16522052), (34, 8261026), (68, 4130513), (157, 1789012), (314, 894506), (628, 447253), (2669, 105236), (5338, 52618), (10676, 26309)]