320470310

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1\times {\mathrm{907}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 585442080

約数和(自身を除く): 264971770

約数列:

[1, 2, 5, 10, 89, 178, 397, 445, 794, 890, 907, 1814, 1985, 3970, 4535, 9070, 35333, 70666, 80723, 161446, 176665, 353330, 360079, 403615, 720158, 807230, 1800395, 3600790, 32047031, 64094062, 160235155, 320470310]

約数ペア:

[(1, 320470310), (2, 160235155), (5, 64094062), (10, 32047031), (89, 3600790), (178, 1800395), (397, 807230), (445, 720158), (794, 403615), (890, 360079), (907, 353330), (1814, 176665), (1985, 161446), (3970, 80723), (4535, 70666), (9070, 35333)]