2147197250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{780799}}^1$

素因数の和:780827

約数の個数: 32

約数和(自身を含む): 4384972800

約数和(自身を除く): 2237775550

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 780799, 1561598, 3903995, 7807990, 8588789, 17177578, 19519975, 39039950, 42943945, 85887890, 97599875, 195199750, 214719725, 429439450, 1073598625, 2147197250]

約数ペア:

[(1, 2147197250), (2, 1073598625), (5, 429439450), (10, 214719725), (11, 195199750), (22, 97599875), (25, 85887890), (50, 42943945), (55, 39039950), (110, 19519975), (125, 17177578), (250, 8588789), (275, 7807990), (550, 3903995), (1375, 1561598), (2750, 780799)]