13860980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 33511296

約数和(自身を除く): 19650316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 547, 724, 905, 1094, 1267, 1810, 2188, 2534, 2735, 3620, 3829, 5068, 5470, 6335, 7658, 10940, 12670, 15316, 19145, 25340, 38290, 76580, 99007, 198014, 396028, 495035, 693049, 990070, 1386098, 1980140, 2772196, 3465245, 6930490, 13860980]

約数ペア:

[(1, 13860980), (2, 6930490), (4, 3465245), (5, 2772196), (7, 1980140), (10, 1386098), (14, 990070), (20, 693049), (28, 495035), (35, 396028), (70, 198014), (140, 99007), (181, 76580), (362, 38290), (547, 25340), (724, 19145), (905, 15316), (1094, 12670), (1267, 10940), (1810, 7658), (2188, 6335), (2534, 5470), (2735, 5068), (3620, 3829)]