1230346480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1398121}}^1$

素因数の和:1398145

約数の個数: 40

約数和(自身を含む): 3120608304

約数和(自身を除く): 1890261824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1398121, 2796242, 5592484, 6990605, 11184968, 13981210, 15379331, 22369936, 27962420, 30758662, 55924840, 61517324, 76896655, 111849680, 123034648, 153793310, 246069296, 307586620, 615173240, 1230346480]

約数ペア:

[(1, 1230346480), (2, 615173240), (4, 307586620), (5, 246069296), (8, 153793310), (10, 123034648), (11, 111849680), (16, 76896655), (20, 61517324), (22, 55924840), (40, 30758662), (44, 27962420), (55, 22369936), (80, 15379331), (88, 13981210), (110, 11184968), (176, 6990605), (220, 5592484), (440, 2796242), (880, 1398121)]