205161550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{33911}}^1$

素因数の和:33945

約数の個数: 36

約数和(自身を含む): 419457528

約数和(自身を除く): 214295978

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3025, 6050, 33911, 67822, 169555, 339110, 373021, 746042, 847775, 1695550, 1865105, 3730210, 4103231, 8206462, 9325525, 18651050, 20516155, 41032310, 102580775, 205161550]

約数ペア:

[(1, 205161550), (2, 102580775), (5, 41032310), (10, 20516155), (11, 18651050), (22, 9325525), (25, 8206462), (50, 4103231), (55, 3730210), (110, 1865105), (121, 1695550), (242, 847775), (275, 746042), (550, 373021), (605, 339110), (1210, 169555), (3025, 67822), (6050, 33911)]