211508720

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{17509}}^1$

素因数の和:17673

約数の個数: 40

約数和(自身を含む): 495042720

約数和(自身を除く): 283534000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 12080, 17509, 35018, 70036, 87545, 140072, 175090, 280144, 350180, 700360, 1400720, 2643859, 5287718, 10575436, 13219295, 21150872, 26438590, 42301744, 52877180, 105754360, 211508720]

約数ペア:

[(1, 211508720), (2, 105754360), (4, 52877180), (5, 42301744), (8, 26438590), (10, 21150872), (16, 13219295), (20, 10575436), (40, 5287718), (80, 2643859), (151, 1400720), (302, 700360), (604, 350180), (755, 280144), (1208, 175090), (1510, 140072), (2416, 87545), (3020, 70036), (6040, 35018), (12080, 17509)]