199475980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{8803}}^1$

素因数の和:8926

約数の個数: 48

約数和(自身を含む): 461470464

約数和(自身を除く): 261994484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 2060, 2266, 4532, 5665, 8803, 11330, 17606, 22660, 35212, 44015, 88030, 96833, 176060, 193666, 387332, 484165, 906709, 968330, 1813418, 1936660, 3626836, 4533545, 9067090, 9973799, 18134180, 19947598, 39895196, 49868995, 99737990, 199475980]

約数ペア:

[(1, 199475980), (2, 99737990), (4, 49868995), (5, 39895196), (10, 19947598), (11, 18134180), (20, 9973799), (22, 9067090), (44, 4533545), (55, 3626836), (103, 1936660), (110, 1813418), (206, 968330), (220, 906709), (412, 484165), (515, 387332), (1030, 193666), (1133, 176060), (2060, 96833), (2266, 88030), (4532, 44015), (5665, 35212), (8803, 22660), (11330, 17606)]