78582140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43177}}^1$

素因数の和:43206

約数の個数: 48

約数和(自身を含む): 203109312

約数和(自身を除く): 124527172

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 43177, 86354, 172708, 215885, 302239, 431770, 561301, 604478, 863540, 1122602, 1208956, 1511195, 2245204, 2806505, 3022390, 3929107, 5613010, 6044780, 7858214, 11226020, 15716428, 19645535, 39291070, 78582140]

約数ペア:

[(1, 78582140), (2, 39291070), (4, 19645535), (5, 15716428), (7, 11226020), (10, 7858214), (13, 6044780), (14, 5613010), (20, 3929107), (26, 3022390), (28, 2806505), (35, 2245204), (52, 1511195), (65, 1208956), (70, 1122602), (91, 863540), (130, 604478), (140, 561301), (182, 431770), (260, 302239), (364, 215885), (455, 172708), (910, 86354), (1820, 43177)]