138395660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1093}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 313916736

約数和(自身を除く): 175521076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 487, 974, 1093, 1948, 2186, 2435, 4372, 4870, 5465, 6331, 9740, 10930, 12662, 14209, 21860, 25324, 28418, 31655, 56836, 63310, 71045, 126620, 142090, 284180, 532291, 1064582, 2129164, 2661455, 5322910, 6919783, 10645820, 13839566, 27679132, 34598915, 69197830, 138395660]

約数ペア:

[(1, 138395660), (2, 69197830), (4, 34598915), (5, 27679132), (10, 13839566), (13, 10645820), (20, 6919783), (26, 5322910), (52, 2661455), (65, 2129164), (130, 1064582), (260, 532291), (487, 284180), (974, 142090), (1093, 126620), (1948, 71045), (2186, 63310), (2435, 56836), (4372, 31655), (4870, 28418), (5465, 25324), (6331, 21860), (9740, 14209), (10930, 12662)]