340490620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43541}}^1$

素因数の和:43590

約数の個数: 48

約数和(自身を含む): 790026048

約数和(自身を除く): 449535428

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 43541, 87082, 174164, 217705, 435410, 740197, 870820, 1001443, 1480394, 2002886, 2960788, 3700985, 4005772, 5007215, 7401970, 10014430, 14803940, 17024531, 20028860, 34049062, 68098124, 85122655, 170245310, 340490620]

約数ペア:

[(1, 340490620), (2, 170245310), (4, 85122655), (5, 68098124), (10, 34049062), (17, 20028860), (20, 17024531), (23, 14803940), (34, 10014430), (46, 7401970), (68, 5007215), (85, 4005772), (92, 3700985), (115, 2960788), (170, 2002886), (230, 1480394), (340, 1001443), (391, 870820), (460, 740197), (782, 435410), (1564, 217705), (1955, 174164), (3910, 87082), (7820, 43541)]