261717890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{219931}}^1$

素因数の和:219962

約数の個数: 32

約数和(自身を含む): 570063744

約数和(自身を除く): 308345854

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 219931, 439862, 1099655, 1539517, 2199310, 3079034, 3738827, 7477654, 7697585, 15395170, 18694135, 26171789, 37388270, 52343578, 130858945, 261717890]

約数ペア:

[(1, 261717890), (2, 130858945), (5, 52343578), (7, 37388270), (10, 26171789), (14, 18694135), (17, 15395170), (34, 7697585), (35, 7477654), (70, 3738827), (85, 3079034), (119, 2199310), (170, 1539517), (238, 1099655), (595, 439862), (1190, 219931)]