280840862

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 450468000

約数和(自身を除く): 169627138

約数列:

[1, 2, 19, 38, 149, 193, 257, 298, 386, 514, 2831, 3667, 4883, 5662, 7334, 9766, 28757, 38293, 49601, 57514, 76586, 99202, 546383, 727567, 942419, 1092766, 1455134, 1884838, 7390549, 14781098, 140420431, 280840862]

約数ペア:

[(1, 280840862), (2, 140420431), (19, 14781098), (38, 7390549), (149, 1884838), (193, 1455134), (257, 1092766), (298, 942419), (386, 727567), (514, 546383), (2831, 99202), (3667, 76586), (4883, 57514), (5662, 49601), (7334, 38293), (9766, 28757)]