30840260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1361}}^1$

素因数の和:1484

約数の個数: 48

約数和(自身を含む): 71390592

約数和(自身を除く): 40550332

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 1361, 2060, 2266, 2722, 4532, 5444, 5665, 6805, 11330, 13610, 14971, 22660, 27220, 29942, 59884, 74855, 140183, 149710, 280366, 299420, 560732, 700915, 1401830, 1542013, 2803660, 3084026, 6168052, 7710065, 15420130, 30840260]

約数ペア:

[(1, 30840260), (2, 15420130), (4, 7710065), (5, 6168052), (10, 3084026), (11, 2803660), (20, 1542013), (22, 1401830), (44, 700915), (55, 560732), (103, 299420), (110, 280366), (206, 149710), (220, 140183), (412, 74855), (515, 59884), (1030, 29942), (1133, 27220), (1361, 22660), (2060, 14971), (2266, 13610), (2722, 11330), (4532, 6805), (5444, 5665)]