177752020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{2237}}^1$

素因数の和:2412

約数の個数: 48

約数和(自身を含む): 389143440

約数和(自身を除く): 211391420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 274, 290, 548, 580, 685, 1370, 2237, 2740, 3973, 4474, 7946, 8948, 11185, 15892, 19865, 22370, 39730, 44740, 64873, 79460, 129746, 259492, 306469, 324365, 612938, 648730, 1225876, 1297460, 1532345, 3064690, 6129380, 8887601, 17775202, 35550404, 44438005, 88876010, 177752020]

約数ペア:

[(1, 177752020), (2, 88876010), (4, 44438005), (5, 35550404), (10, 17775202), (20, 8887601), (29, 6129380), (58, 3064690), (116, 1532345), (137, 1297460), (145, 1225876), (274, 648730), (290, 612938), (548, 324365), (580, 306469), (685, 259492), (1370, 129746), (2237, 79460), (2740, 64873), (3973, 44740), (4474, 39730), (7946, 22370), (8948, 19865), (11185, 15892)]