27640900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{5641}}^1$

素因数の和:5669

約数の個数: 54

約数和(自身を含む): 69785898

約数和(自身を除く): 42144998

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 5641, 11282, 22564, 28205, 39487, 56410, 78974, 112820, 141025, 157948, 197435, 276409, 282050, 394870, 552818, 564100, 789740, 987175, 1105636, 1382045, 1974350, 2764090, 3948700, 5528180, 6910225, 13820450, 27640900]

約数ペア:

[(1, 27640900), (2, 13820450), (4, 6910225), (5, 5528180), (7, 3948700), (10, 2764090), (14, 1974350), (20, 1382045), (25, 1105636), (28, 987175), (35, 789740), (49, 564100), (50, 552818), (70, 394870), (98, 282050), (100, 276409), (140, 197435), (175, 157948), (196, 141025), (245, 112820), (350, 78974), (490, 56410), (700, 39487), (980, 28205), (1225, 22564), (2450, 11282), (4900, 5641)]