12714380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 30735936

約数和(自身を除く): 18021556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 461, 788, 922, 985, 1379, 1844, 1970, 2305, 2758, 3227, 3940, 4610, 5516, 6454, 6895, 9220, 12908, 13790, 16135, 27580, 32270, 64540, 90817, 181634, 363268, 454085, 635719, 908170, 1271438, 1816340, 2542876, 3178595, 6357190, 12714380]

約数ペア:

[(1, 12714380), (2, 6357190), (4, 3178595), (5, 2542876), (7, 1816340), (10, 1271438), (14, 908170), (20, 635719), (28, 454085), (35, 363268), (70, 181634), (140, 90817), (197, 64540), (394, 32270), (461, 27580), (788, 16135), (922, 13790), (985, 12908), (1379, 9220), (1844, 6895), (1970, 6454), (2305, 5516), (2758, 4610), (3227, 3940)]