428060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1259}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 952560

約数和(自身を除く): 524500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1259, 2518, 5036, 6295, 12590, 21403, 25180, 42806, 85612, 107015, 214030, 428060]

約数ペア:

[(1, 428060), (2, 214030), (4, 107015), (5, 85612), (10, 42806), (17, 25180), (20, 21403), (34, 12590), (68, 6295), (85, 5036), (170, 2518), (340, 1259)]