205544860

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 439447680

約数和(自身を除く): 233902820

約数列:

[1, 2, 4, 5, 10, 20, 107, 139, 214, 278, 428, 535, 556, 691, 695, 1070, 1382, 1390, 2140, 2764, 2780, 3455, 6910, 13820, 14873, 29746, 59492, 73937, 74365, 96049, 147874, 148730, 192098, 295748, 297460, 369685, 384196, 480245, 739370, 960490, 1478740, 1920980, 10277243, 20554486, 41108972, 51386215, 102772430, 205544860]

約数ペア:

[(1, 205544860), (2, 102772430), (4, 51386215), (5, 41108972), (10, 20554486), (20, 10277243), (107, 1920980), (139, 1478740), (214, 960490), (278, 739370), (428, 480245), (535, 384196), (556, 369685), (691, 297460), (695, 295748), (1070, 192098), (1382, 148730), (1390, 147874), (2140, 96049), (2764, 74365), (2780, 73937), (3455, 59492), (6910, 29746), (13820, 14873)]