190594420

素因数分解:

$2^2\times 5^1\times {\mathrm{2389}}^1\times {\mathrm{3989}}^1$

素因数の和:6387

約数の個数: 24

約数和(自身を含む): 400516200

約数和(自身を除く): 209921780

約数列:

[1, 2, 4, 5, 10, 20, 2389, 3989, 4778, 7978, 9556, 11945, 15956, 19945, 23890, 39890, 47780, 79780, 9529721, 19059442, 38118884, 47648605, 95297210, 190594420]

約数ペア:

[(1, 190594420), (2, 95297210), (4, 47648605), (5, 38118884), (10, 19059442), (20, 9529721), (2389, 79780), (3989, 47780), (4778, 39890), (7978, 23890), (9556, 19945), (11945, 15956)]