2589580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 6350400

約数和(自身を除く): 3760820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 349, 371, 530, 698, 742, 1060, 1396, 1484, 1745, 1855, 2443, 3490, 3710, 4886, 6980, 7420, 9772, 12215, 18497, 24430, 36994, 48860, 73988, 92485, 129479, 184970, 258958, 369940, 517916, 647395, 1294790, 2589580]

約数ペア:

[(1, 2589580), (2, 1294790), (4, 647395), (5, 517916), (7, 369940), (10, 258958), (14, 184970), (20, 129479), (28, 92485), (35, 73988), (53, 48860), (70, 36994), (106, 24430), (140, 18497), (212, 12215), (265, 9772), (349, 7420), (371, 6980), (530, 4886), (698, 3710), (742, 3490), (1060, 2443), (1396, 1855), (1484, 1745)]