168020440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{600073}}^1$

素因数の和:600091

約数の個数: 32

約数和(自身を含む): 432053280

約数和(自身を除く): 264032840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 600073, 1200146, 2400292, 3000365, 4200511, 4800584, 6000730, 8401022, 12001460, 16802044, 21002555, 24002920, 33604088, 42005110, 84010220, 168020440]

約数ペア:

[(1, 168020440), (2, 84010220), (4, 42005110), (5, 33604088), (7, 24002920), (8, 21002555), (10, 16802044), (14, 12001460), (20, 8401022), (28, 6000730), (35, 4800584), (40, 4200511), (56, 3000365), (70, 2400292), (140, 1200146), (280, 600073)]