2631860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1709}}^1$

素因数の和:1736

約数の個数: 48

約数和(自身を含む): 6894720

約数和(自身を除く): 4262860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1709, 3418, 6836, 8545, 11963, 17090, 18799, 23926, 34180, 37598, 47852, 59815, 75196, 93995, 119630, 131593, 187990, 239260, 263186, 375980, 526372, 657965, 1315930, 2631860]

約数ペア:

[(1, 2631860), (2, 1315930), (4, 657965), (5, 526372), (7, 375980), (10, 263186), (11, 239260), (14, 187990), (20, 131593), (22, 119630), (28, 93995), (35, 75196), (44, 59815), (55, 47852), (70, 37598), (77, 34180), (110, 23926), (140, 18799), (154, 17090), (220, 11963), (308, 8545), (385, 6836), (770, 3418), (1540, 1709)]