261077900

素因数分解:

$2^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{13669}}^1$

素因数の和:13874

約数の個数: 36

約数和(自身を含む): 569546880

約数和(自身を除く): 308468980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191, 382, 764, 955, 1910, 3820, 4775, 9550, 13669, 19100, 27338, 54676, 68345, 136690, 273380, 341725, 683450, 1366900, 2610779, 5221558, 10443116, 13053895, 26107790, 52215580, 65269475, 130538950, 261077900]

約数ペア:

[(1, 261077900), (2, 130538950), (4, 65269475), (5, 52215580), (10, 26107790), (20, 13053895), (25, 10443116), (50, 5221558), (100, 2610779), (191, 1366900), (382, 683450), (764, 341725), (955, 273380), (1910, 136690), (3820, 68345), (4775, 54676), (9550, 27338), (13669, 19100)]