9949000

素因数分解:

$2^3\times 5^3\times {\mathrm{9949}}^1$

素因数の和:9970

約数の個数: 32

約数和(自身を含む): 23283000

約数和(自身を除く): 13334000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 9949, 19898, 39796, 49745, 79592, 99490, 198980, 248725, 397960, 497450, 994900, 1243625, 1989800, 2487250, 4974500, 9949000]

約数ペア:

[(1, 9949000), (2, 4974500), (4, 2487250), (5, 1989800), (8, 1243625), (10, 994900), (20, 497450), (25, 397960), (40, 248725), (50, 198980), (100, 99490), (125, 79592), (200, 49745), (250, 39796), (500, 19898), (1000, 9949)]