668840410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{60859}}^1$

素因数の和:61030

約数の個数: 32

約数和(自身を含む): 1384686720

約数和(自身を除く): 715846310

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 5495, 10990, 60859, 121718, 304295, 426013, 608590, 852026, 2130065, 4260130, 9554863, 19109726, 47774315, 66884041, 95548630, 133768082, 334420205, 668840410]

約数ペア:

[(1, 668840410), (2, 334420205), (5, 133768082), (7, 95548630), (10, 66884041), (14, 47774315), (35, 19109726), (70, 9554863), (157, 4260130), (314, 2130065), (785, 852026), (1099, 608590), (1570, 426013), (2198, 304295), (5495, 121718), (10990, 60859)]