208075780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{945799}}^1$

素因数の和:945819

約数の個数: 24

約数和(自身を含む): 476683200

約数和(自身を除く): 268607420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 945799, 1891598, 3783196, 4728995, 9457990, 10403789, 18915980, 20807578, 41615156, 52018945, 104037890, 208075780]

約数ペア:

[(1, 208075780), (2, 104037890), (4, 52018945), (5, 41615156), (10, 20807578), (11, 18915980), (20, 10403789), (22, 9457990), (44, 4728995), (55, 3783196), (110, 1891598), (220, 945799)]