28140910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4517}}^1$

素因数の和:4620

約数の個数: 32

約数和(自身を含む): 58553280

約数和(自身を除く): 30412370

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 4517, 6230, 9034, 22585, 31619, 45170, 63238, 158095, 316190, 402013, 804026, 2010065, 2814091, 4020130, 5628182, 14070455, 28140910]

約数ペア:

[(1, 28140910), (2, 14070455), (5, 5628182), (7, 4020130), (10, 2814091), (14, 2010065), (35, 804026), (70, 402013), (89, 316190), (178, 158095), (445, 63238), (623, 45170), (890, 31619), (1246, 22585), (3115, 9034), (4517, 6230)]