17989780180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{39161}}^1$

素因数の和:39496

約数の個数: 48

約数和(自身を含む): 38317353984

約数和(自身を除く): 20327573804

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 223, 412, 446, 515, 892, 1030, 1115, 2060, 2230, 4460, 22969, 39161, 45938, 78322, 91876, 114845, 156644, 195805, 229690, 391610, 459380, 783220, 4033583, 8067166, 8732903, 16134332, 17465806, 20167915, 34931612, 40335830, 43664515, 80671660, 87329030, 174658060, 899489009, 1798978018, 3597956036, 4497445045, 8994890090, 17989780180]

約数ペア:

[(1, 17989780180), (2, 8994890090), (4, 4497445045), (5, 3597956036), (10, 1798978018), (20, 899489009), (103, 174658060), (206, 87329030), (223, 80671660), (412, 43664515), (446, 40335830), (515, 34931612), (892, 20167915), (1030, 17465806), (1115, 16134332), (2060, 8732903), (2230, 8067166), (4460, 4033583), (22969, 783220), (39161, 459380), (45938, 391610), (78322, 229690), (91876, 195805), (114845, 156644)]