258889340

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{193201}}^1$

素因数の和:193277

約数の個数: 24

約数和(自身を含む): 551784912

約数和(自身を除く): 292895572

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 193201, 386402, 772804, 966005, 1932010, 3864020, 12944467, 25888934, 51777868, 64722335, 129444670, 258889340]

約数ペア:

[(1, 258889340), (2, 129444670), (4, 64722335), (5, 51777868), (10, 25888934), (20, 12944467), (67, 3864020), (134, 1932010), (268, 966005), (335, 772804), (670, 386402), (1340, 193201)]