289688620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{1931}}^1$

素因数の和:2530

約数の個数: 48

約数和(自身を含む): 656617248

約数和(自身を除く): 366928628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 577, 1154, 1931, 2308, 2885, 3862, 5770, 7501, 7724, 9655, 11540, 15002, 19310, 25103, 30004, 37505, 38620, 50206, 75010, 100412, 125515, 150020, 251030, 502060, 1114187, 2228374, 4456748, 5570935, 11141870, 14484431, 22283740, 28968862, 57937724, 72422155, 144844310, 289688620]

約数ペア:

[(1, 289688620), (2, 144844310), (4, 72422155), (5, 57937724), (10, 28968862), (13, 22283740), (20, 14484431), (26, 11141870), (52, 5570935), (65, 4456748), (130, 2228374), (260, 1114187), (577, 502060), (1154, 251030), (1931, 150020), (2308, 125515), (2885, 100412), (3862, 75010), (5770, 50206), (7501, 38620), (7724, 37505), (9655, 30004), (11540, 25103), (15002, 19310)]