201390970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{18127}}^1$

素因数の和:18246

約数の個数: 32

約数和(自身を含む): 399396096

約数和(自身を除く): 198005126

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 11110, 18127, 36254, 90635, 181270, 199397, 398794, 996985, 1830827, 1993970, 3661654, 9154135, 18308270, 20139097, 40278194, 100695485, 201390970]

約数ペア:

[(1, 201390970), (2, 100695485), (5, 40278194), (10, 20139097), (11, 18308270), (22, 9154135), (55, 3661654), (101, 1993970), (110, 1830827), (202, 996985), (505, 398794), (1010, 199397), (1111, 181270), (2222, 90635), (5555, 36254), (11110, 18127)]