12388180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{12641}}^1$

素因数の和:12664

約数の個数: 36

約数和(自身を含む): 30264948

約数和(自身を除く): 17876768

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 12641, 25282, 50564, 63205, 88487, 126410, 176974, 252820, 353948, 442435, 619409, 884870, 1238818, 1769740, 2477636, 3097045, 6194090, 12388180]

約数ペア:

[(1, 12388180), (2, 6194090), (4, 3097045), (5, 2477636), (7, 1769740), (10, 1238818), (14, 884870), (20, 619409), (28, 442435), (35, 353948), (49, 252820), (70, 176974), (98, 126410), (140, 88487), (196, 63205), (245, 50564), (490, 25282), (980, 12641)]