78493936.000000000

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2254

約数の個数: 48

約数和(自身を含む): 283675392

約数和(自身を除く): 153556532

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 710, 860, 1420, 2131, 3053, 4262, 6106, 8524, 10655, 12212, 15265, 21310, 30530, 42620, 61060, 91633, 151301, 183266, 302602, 366532, 458165, 605204, 756505, 916330, 1513010, 1832660, 3026020, 6505943, 13011886, 26023772, 32529715, 65059430, 130118860]

約数ペア:

[(1, 130118860), (2, 65059430), (4, 32529715), (5, 26023772), (10, 13011886), (20, 6505943), (43, 3026020), (71, 1832660), (86, 1513010), (142, 916330), (172, 756505), (215, 605204), (284, 458165), (355, 366532), (430, 302602), (710, 183266), (860, 151301), (1420, 91633), (2131, 61060), (3053, 42620), (4262, 30530), (6106, 21310), (8524, 15265), (10655, 12212)]