164594220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{391891}}^1$

素因数の和:391910

約数の個数: 48

約数和(自身を含む): 526702848

約数和(自身を除く): 362108628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 391891, 783782, 1175673, 1567564, 1959455, 2351346, 2743237, 3918910, 4702692, 5486474, 5878365, 7837820, 8229711, 10972948, 11756730, 13716185, 16459422, 23513460, 27432370, 32918844, 41148555, 54864740, 82297110, 164594220]

約数ペア:

[(1, 164594220), (2, 82297110), (3, 54864740), (4, 41148555), (5, 32918844), (6, 27432370), (7, 23513460), (10, 16459422), (12, 13716185), (14, 11756730), (15, 10972948), (20, 8229711), (21, 7837820), (28, 5878365), (30, 5486474), (35, 4702692), (42, 3918910), (60, 2743237), (70, 2351346), (84, 1959455), (105, 1567564), (140, 1175673), (210, 783782), (420, 391891)]