28473340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{203381}}^1$

素因数の和:203397

約数の個数: 24

約数和(自身を含む): 68336352

約数和(自身を除く): 39863012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 203381, 406762, 813524, 1016905, 1423667, 2033810, 2847334, 4067620, 5694668, 7118335, 14236670, 28473340]

約数ペア:

[(1, 28473340), (2, 14236670), (4, 7118335), (5, 5694668), (7, 4067620), (10, 2847334), (14, 2033810), (20, 1423667), (28, 1016905), (35, 813524), (70, 406762), (140, 203381)]