2009447980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{14177}}^1$

素因数の和:14578

約数の個数: 48

約数和(自身を含む): 4454160480

約数和(自身を除く): 2444712500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 373, 380, 746, 1492, 1865, 3730, 7087, 7460, 14174, 14177, 28348, 28354, 35435, 56708, 70870, 70885, 141740, 141770, 269363, 283540, 538726, 1077452, 1346815, 2693630, 5288021, 5387260, 10576042, 21152084, 26440105, 52880210, 100472399, 105760420, 200944798, 401889596, 502361995, 1004723990, 2009447980]

約数ペア:

[(1, 2009447980), (2, 1004723990), (4, 502361995), (5, 401889596), (10, 200944798), (19, 105760420), (20, 100472399), (38, 52880210), (76, 26440105), (95, 21152084), (190, 10576042), (373, 5387260), (380, 5288021), (746, 2693630), (1492, 1346815), (1865, 1077452), (3730, 538726), (7087, 283540), (7460, 269363), (14174, 141770), (14177, 141740), (28348, 70885), (28354, 70870), (35435, 56708)]