54891100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 131241600

約数和(自身を除く): 76350500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 139, 220, 275, 278, 359, 550, 556, 695, 718, 1100, 1390, 1436, 1529, 1795, 2780, 3058, 3475, 3590, 3949, 6116, 6950, 7180, 7645, 7898, 8975, 13900, 15290, 15796, 17950, 19745, 30580, 35900, 38225, 39490, 49901, 76450, 78980, 98725, 99802, 152900, 197450, 199604, 249505, 394900, 499010, 548911, 998020, 1097822, 1247525, 2195644, 2495050, 2744555, 4990100, 5489110, 10978220, 13722775, 27445550, 54891100]

約数ペア:

[(1, 54891100), (2, 27445550), (4, 13722775), (5, 10978220), (10, 5489110), (11, 4990100), (20, 2744555), (22, 2495050), (25, 2195644), (44, 1247525), (50, 1097822), (55, 998020), (100, 548911), (110, 499010), (139, 394900), (220, 249505), (275, 199604), (278, 197450), (359, 152900), (550, 99802), (556, 98725), (695, 78980), (718, 76450), (1100, 49901), (1390, 39490), (1436, 38225), (1529, 35900), (1795, 30580), (2780, 19745), (3058, 17950), (3475, 15796), (3590, 15290), (3949, 13900), (6116, 8975), (6950, 7898), (7180, 7645)]