389600680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{60497}}^1$

素因数の和:60538

約数の個数: 64

約数和(自身を含む): 1045405440

約数和(自身を除く): 655804760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 60497, 120994, 241988, 302485, 423479, 483976, 604970, 846958, 1209940, 1391431, 1693916, 2117395, 2419880, 2782862, 3387832, 4234790, 5565724, 6957155, 8469580, 9740017, 11131448, 13914310, 16939160, 19480034, 27828620, 38960068, 48700085, 55657240, 77920136, 97400170, 194800340, 389600680]

約数ペア:

[(1, 389600680), (2, 194800340), (4, 97400170), (5, 77920136), (7, 55657240), (8, 48700085), (10, 38960068), (14, 27828620), (20, 19480034), (23, 16939160), (28, 13914310), (35, 11131448), (40, 9740017), (46, 8469580), (56, 6957155), (70, 5565724), (92, 4234790), (115, 3387832), (140, 2782862), (161, 2419880), (184, 2117395), (230, 1693916), (280, 1391431), (322, 1209940), (460, 846958), (644, 604970), (805, 483976), (920, 423479), (1288, 302485), (1610, 241988), (3220, 120994), (6440, 60497)]