1608860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 3773952

約数和(自身を除く): 2165092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 103, 110, 142, 206, 220, 284, 355, 412, 515, 710, 781, 1030, 1133, 1420, 1562, 2060, 2266, 3124, 3905, 4532, 5665, 7313, 7810, 11330, 14626, 15620, 22660, 29252, 36565, 73130, 80443, 146260, 160886, 321772, 402215, 804430, 1608860]

約数ペア:

[(1, 1608860), (2, 804430), (4, 402215), (5, 321772), (10, 160886), (11, 146260), (20, 80443), (22, 73130), (44, 36565), (55, 29252), (71, 22660), (103, 15620), (110, 14626), (142, 11330), (206, 7810), (220, 7313), (284, 5665), (355, 4532), (412, 3905), (515, 3124), (710, 2266), (781, 2060), (1030, 1562), (1133, 1420)]