1311940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9371}}^1$

素因数の和:9387

約数の個数: 24

約数和(自身を含む): 3148992

約数和(自身を除く): 1837052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9371, 18742, 37484, 46855, 65597, 93710, 131194, 187420, 262388, 327985, 655970, 1311940]

約数ペア:

[(1, 1311940), (2, 655970), (4, 327985), (5, 262388), (7, 187420), (10, 131194), (14, 93710), (20, 65597), (28, 46855), (35, 37484), (70, 18742), (140, 9371)]