195514120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1601}}^1$

素因数の和:1726

約数の個数: 64

約数和(自身を含む): 456762240

約数和(自身を除く): 261248120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 568, 710, 860, 1420, 1601, 1720, 2840, 3053, 3202, 6106, 6404, 8005, 12212, 12808, 15265, 16010, 24424, 30530, 32020, 61060, 64040, 68843, 113671, 122120, 137686, 227342, 275372, 344215, 454684, 550744, 568355, 688430, 909368, 1136710, 1376860, 2273420, 2753720, 4546840, 4887853, 9775706, 19551412, 24439265, 39102824, 48878530, 97757060, 195514120]

約数ペア:

[(1, 195514120), (2, 97757060), (4, 48878530), (5, 39102824), (8, 24439265), (10, 19551412), (20, 9775706), (40, 4887853), (43, 4546840), (71, 2753720), (86, 2273420), (142, 1376860), (172, 1136710), (215, 909368), (284, 688430), (344, 568355), (355, 550744), (430, 454684), (568, 344215), (710, 275372), (860, 227342), (1420, 137686), (1601, 122120), (1720, 113671), (2840, 68843), (3053, 64040), (3202, 61060), (6106, 32020), (6404, 30530), (8005, 24424), (12212, 16010), (12808, 15265)]