320486138

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{241}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 576780864

約数和(自身を除く): 256294726

約数列:

[1, 2, 7, 14, 43, 47, 86, 94, 241, 301, 329, 482, 602, 658, 1687, 2021, 2209, 3374, 4042, 4418, 10363, 11327, 14147, 15463, 20726, 22654, 28294, 30926, 72541, 79289, 94987, 145082, 158578, 189974, 487061, 532369, 664909, 974122, 1064738, 1329818, 3409427, 3726583, 6818854, 7453166, 22891867, 45783734, 160243069, 320486138]

約数ペア:

[(1, 320486138), (2, 160243069), (7, 45783734), (14, 22891867), (43, 7453166), (47, 6818854), (86, 3726583), (94, 3409427), (241, 1329818), (301, 1064738), (329, 974122), (482, 664909), (602, 532369), (658, 487061), (1687, 189974), (2021, 158578), (2209, 145082), (3374, 94987), (4042, 79289), (4418, 72541), (10363, 30926), (11327, 28294), (14147, 22654), (15463, 20726)]