457730420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3269503}}^1$

素因数の和:3269519

約数の個数: 24

約数和(自身を含む): 1098553344

約数和(自身を除く): 640822924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3269503, 6539006, 13078012, 16347515, 22886521, 32695030, 45773042, 65390060, 91546084, 114432605, 228865210, 457730420]

約数ペア:

[(1, 457730420), (2, 228865210), (4, 114432605), (5, 91546084), (7, 65390060), (10, 45773042), (14, 32695030), (20, 22886521), (28, 16347515), (35, 13078012), (70, 6539006), (140, 3269503)]