155181860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1061}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 333994752

約数和(自身を除く): 178812892

約数列:

[1, 2, 4, 5, 10, 20, 71, 103, 142, 206, 284, 355, 412, 515, 710, 1030, 1061, 1420, 2060, 2122, 4244, 5305, 7313, 10610, 14626, 21220, 29252, 36565, 73130, 75331, 109283, 146260, 150662, 218566, 301324, 376655, 437132, 546415, 753310, 1092830, 1506620, 2185660, 7759093, 15518186, 31036372, 38795465, 77590930, 155181860]

約数ペア:

[(1, 155181860), (2, 77590930), (4, 38795465), (5, 31036372), (10, 15518186), (20, 7759093), (71, 2185660), (103, 1506620), (142, 1092830), (206, 753310), (284, 546415), (355, 437132), (412, 376655), (515, 301324), (710, 218566), (1030, 150662), (1061, 146260), (1420, 109283), (2060, 75331), (2122, 73130), (4244, 36565), (5305, 29252), (7313, 21220), (10610, 14626)]