1668660980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11919007}}^1$

素因数の和:11919023

約数の個数: 24

約数和(自身を含む): 4004786688

約数和(自身を除く): 2336125708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11919007, 23838014, 47676028, 59595035, 83433049, 119190070, 166866098, 238380140, 333732196, 417165245, 834330490, 1668660980]

約数ペア:

[(1, 1668660980), (2, 834330490), (4, 417165245), (5, 333732196), (7, 238380140), (10, 166866098), (14, 119190070), (20, 83433049), (28, 59595035), (35, 47676028), (70, 23838014), (140, 11919007)]