101140900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{20641}}^1$

素因数の和:20669

約数の個数: 54

約数和(自身を含む): 255320898

約数和(自身を除く): 154179998

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, 20641, 41282, 82564, 103205, 144487, 206410, 288974, 412820, 516025, 577948, 722435, 1011409, 1032050, 1444870, 2022818, 2064100, 2889740, 3612175, 4045636, 5057045, 7224350, 10114090, 14448700, 20228180, 25285225, 50570450, 101140900]

約数ペア:

[(1, 101140900), (2, 50570450), (4, 25285225), (5, 20228180), (7, 14448700), (10, 10114090), (14, 7224350), (20, 5057045), (25, 4045636), (28, 3612175), (35, 2889740), (49, 2064100), (50, 2022818), (70, 1444870), (98, 1032050), (100, 1011409), (140, 722435), (175, 577948), (196, 516025), (245, 412820), (350, 288974), (490, 206410), (700, 144487), (980, 103205), (1225, 82564), (2450, 41282), (4900, 20641)]