11130980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^3$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 27350400

約数和(自身を除く): 16219420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 1849, 3010, 3698, 6020, 7396, 9245, 12943, 18490, 25886, 36980, 51772, 64715, 79507, 129430, 159014, 258860, 318028, 397535, 556549, 795070, 1113098, 1590140, 2226196, 2782745, 5565490, 11130980]

約数ペア:

[(1, 11130980), (2, 5565490), (4, 2782745), (5, 2226196), (7, 1590140), (10, 1113098), (14, 795070), (20, 556549), (28, 397535), (35, 318028), (43, 258860), (70, 159014), (86, 129430), (140, 79507), (172, 64715), (215, 51772), (301, 36980), (430, 25886), (602, 18490), (860, 12943), (1204, 9245), (1505, 7396), (1849, 6020), (3010, 3698)]