42778600

素因数分解:

$2^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1999}}^1$

素因数の和:2122

約数の個数: 48

約数和(自身を含む): 100440000

約数和(自身を除く): 57661400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 200, 214, 428, 535, 856, 1070, 1999, 2140, 2675, 3998, 4280, 5350, 7996, 9995, 10700, 15992, 19990, 21400, 39980, 49975, 79960, 99950, 199900, 213893, 399800, 427786, 855572, 1069465, 1711144, 2138930, 4277860, 5347325, 8555720, 10694650, 21389300, 42778600]

約数ペア:

[(1, 42778600), (2, 21389300), (4, 10694650), (5, 8555720), (8, 5347325), (10, 4277860), (20, 2138930), (25, 1711144), (40, 1069465), (50, 855572), (100, 427786), (107, 399800), (200, 213893), (214, 199900), (428, 99950), (535, 79960), (856, 49975), (1070, 39980), (1999, 21400), (2140, 19990), (2675, 15992), (3998, 10700), (4280, 9995), (5350, 7996)]