1947202540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{98443}}^1$

素因数の和:98518

約数の個数: 48

約数和(自身を含む): 4366188288

約数和(自身を除く): 2418985748

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 9890, 19780, 98443, 196886, 393772, 492215, 984430, 1968860, 2264189, 4233049, 4528378, 8466098, 9056756, 11320945, 16932196, 21165245, 22641890, 42330490, 45283780, 84660980, 97360127, 194720254, 389440508, 486800635, 973601270, 1947202540]

約数ペア:

[(1, 1947202540), (2, 973601270), (4, 486800635), (5, 389440508), (10, 194720254), (20, 97360127), (23, 84660980), (43, 45283780), (46, 42330490), (86, 22641890), (92, 21165245), (115, 16932196), (172, 11320945), (215, 9056756), (230, 8466098), (430, 4528378), (460, 4233049), (860, 2264189), (989, 1968860), (1978, 984430), (3956, 492215), (4945, 393772), (9890, 196886), (19780, 98443)]