634220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1697

約数の個数: 24

約数和(自身を含む): 1402800

約数和(自身を除く): 768580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1669, 3338, 6676, 8345, 16690, 31711, 33380, 63422, 126844, 158555, 317110, 634220]

約数ペア:

[(1, 634220), (2, 317110), (4, 158555), (5, 126844), (10, 63422), (19, 33380), (20, 31711), (38, 16690), (76, 8345), (95, 6676), (190, 3338), (380, 1669)]