30838780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1217}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 74483136

約数和(自身を除く): 43644356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1217, 1267, 1810, 2434, 2534, 3620, 4868, 5068, 6085, 6335, 8519, 12170, 12670, 17038, 24340, 25340, 34076, 42595, 85190, 170380, 220277, 440554, 881108, 1101385, 1541939, 2202770, 3083878, 4405540, 6167756, 7709695, 15419390, 30838780]

約数ペア:

[(1, 30838780), (2, 15419390), (4, 7709695), (5, 6167756), (7, 4405540), (10, 3083878), (14, 2202770), (20, 1541939), (28, 1101385), (35, 881108), (70, 440554), (140, 220277), (181, 170380), (362, 85190), (724, 42595), (905, 34076), (1217, 25340), (1267, 24340), (1810, 17038), (2434, 12670), (2534, 12170), (3620, 8519), (4868, 6335), (5068, 6085)]