201481720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457913}}^1$

素因数の和:457935

約数の個数: 32

約数和(自身を含む): 494547120

約数和(自身を除く): 293065400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 457913, 915826, 1831652, 2289565, 3663304, 4579130, 5037043, 9158260, 10074086, 18316520, 20148172, 25185215, 40296344, 50370430, 100740860, 201481720]

約数ペア:

[(1, 201481720), (2, 100740860), (4, 50370430), (5, 40296344), (8, 25185215), (10, 20148172), (11, 18316520), (20, 10074086), (22, 9158260), (40, 5037043), (44, 4579130), (55, 3663304), (88, 2289565), (110, 1831652), (220, 915826), (440, 457913)]