214804940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1534321}}^1$

素因数の和:1534337

約数の個数: 24

約数和(自身を含む): 515532192

約数和(自身を除く): 300727252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1534321, 3068642, 6137284, 7671605, 10740247, 15343210, 21480494, 30686420, 42960988, 53701235, 107402470, 214804940]

約数ペア:

[(1, 214804940), (2, 107402470), (4, 53701235), (5, 42960988), (7, 30686420), (10, 21480494), (14, 15343210), (20, 10740247), (28, 7671605), (35, 6137284), (70, 3068642), (140, 1534321)]