2138900

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:380

約数の個数: 36

約数和(自身を含む): 4721052

約数和(自身を除く): 2582152

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 146, 292, 293, 365, 586, 730, 1172, 1460, 1465, 1825, 2930, 3650, 5860, 7300, 7325, 14650, 21389, 29300, 42778, 85556, 106945, 213890, 427780, 534725, 1069450, 2138900]

約数ペア:

[(1, 2138900), (2, 1069450), (4, 534725), (5, 427780), (10, 213890), (20, 106945), (25, 85556), (50, 42778), (73, 29300), (100, 21389), (146, 14650), (292, 7325), (293, 7300), (365, 5860), (586, 3650), (730, 2930), (1172, 1825), (1460, 1465)]