17627980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 39584160

約数和(自身を除く): 21956180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 373, 556, 695, 746, 1390, 1492, 1865, 2363, 2780, 3730, 4726, 6341, 7460, 9452, 11815, 12682, 23630, 25364, 31705, 47260, 51847, 63410, 103694, 126820, 207388, 259235, 518470, 881399, 1036940, 1762798, 3525596, 4406995, 8813990, 17627980]

約数ペア:

[(1, 17627980), (2, 8813990), (4, 4406995), (5, 3525596), (10, 1762798), (17, 1036940), (20, 881399), (34, 518470), (68, 259235), (85, 207388), (139, 126820), (170, 103694), (278, 63410), (340, 51847), (373, 47260), (556, 31705), (695, 25364), (746, 23630), (1390, 12682), (1492, 11815), (1865, 9452), (2363, 7460), (2780, 6341), (3730, 4726)]