38411540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{373}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 85451520

約数和(自身を除く): 47039980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 271, 373, 380, 542, 746, 1084, 1355, 1492, 1865, 2710, 3730, 5149, 5420, 7087, 7460, 10298, 14174, 20596, 25745, 28348, 35435, 51490, 70870, 101083, 102980, 141740, 202166, 404332, 505415, 1010830, 1920577, 2021660, 3841154, 7682308, 9602885, 19205770, 38411540]

約数ペア:

[(1, 38411540), (2, 19205770), (4, 9602885), (5, 7682308), (10, 3841154), (19, 2021660), (20, 1920577), (38, 1010830), (76, 505415), (95, 404332), (190, 202166), (271, 141740), (373, 102980), (380, 101083), (542, 70870), (746, 51490), (1084, 35435), (1355, 28348), (1492, 25745), (1865, 20596), (2710, 14174), (3730, 10298), (5149, 7460), (5420, 7087)]