331940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2371}}^1$

素因数の和:2387

約数の個数: 24

約数和(自身を含む): 796992

約数和(自身を除く): 465052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2371, 4742, 9484, 11855, 16597, 23710, 33194, 47420, 66388, 82985, 165970, 331940]

約数ペア:

[(1, 331940), (2, 165970), (4, 82985), (5, 66388), (7, 47420), (10, 33194), (14, 23710), (20, 16597), (28, 11855), (35, 9484), (70, 4742), (140, 2371)]