208186740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{385531}}^1$

素因数の和:385549

約数の個数: 48

約数和(自身を含む): 647693760

約数和(自身を除く): 439507020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 385531, 771062, 1156593, 1542124, 1927655, 2313186, 3469779, 3855310, 4626372, 5782965, 6939558, 7710620, 10409337, 11565930, 13879116, 17348895, 20818674, 23131860, 34697790, 41637348, 52046685, 69395580, 104093370, 208186740]

約数ペア:

[(1, 208186740), (2, 104093370), (3, 69395580), (4, 52046685), (5, 41637348), (6, 34697790), (9, 23131860), (10, 20818674), (12, 17348895), (15, 13879116), (18, 11565930), (20, 10409337), (27, 7710620), (30, 6939558), (36, 5782965), (45, 4626372), (54, 3855310), (60, 3469779), (90, 2313186), (108, 1927655), (135, 1542124), (180, 1156593), (270, 771062), (540, 385531)]