10921540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 26417664

約数和(自身を除く): 15496124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 431, 724, 862, 905, 1267, 1724, 1810, 2155, 2534, 3017, 3620, 4310, 5068, 6034, 6335, 8620, 12068, 12670, 15085, 25340, 30170, 60340, 78011, 156022, 312044, 390055, 546077, 780110, 1092154, 1560220, 2184308, 2730385, 5460770, 10921540]

約数ペア:

[(1, 10921540), (2, 5460770), (4, 2730385), (5, 2184308), (7, 1560220), (10, 1092154), (14, 780110), (20, 546077), (28, 390055), (35, 312044), (70, 156022), (140, 78011), (181, 60340), (362, 30170), (431, 25340), (724, 15085), (862, 12670), (905, 12068), (1267, 8620), (1724, 6335), (1810, 6034), (2155, 5068), (2534, 4310), (3017, 3620)]