142042740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{338197}}^1$

素因数の和:338216

約数の個数: 48

約数和(自身を含む): 454538112

約数和(自身を除く): 312495372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 338197, 676394, 1014591, 1352788, 1690985, 2029182, 2367379, 3381970, 4058364, 4734758, 5072955, 6763940, 7102137, 9469516, 10145910, 11836895, 14204274, 20291820, 23673790, 28408548, 35510685, 47347580, 71021370, 142042740]

約数ペア:

[(1, 142042740), (2, 71021370), (3, 47347580), (4, 35510685), (5, 28408548), (6, 23673790), (7, 20291820), (10, 14204274), (12, 11836895), (14, 10145910), (15, 9469516), (20, 7102137), (21, 6763940), (28, 5072955), (30, 4734758), (35, 4058364), (42, 3381970), (60, 2367379), (70, 2029182), (84, 1690985), (105, 1352788), (140, 1014591), (210, 676394), (420, 338197)]