123029720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{279613}}^1$

素因数の和:279635

約数の個数: 32

約数和(自身を含む): 301983120

約数和(自身を除く): 178953400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 279613, 559226, 1118452, 1398065, 2236904, 2796130, 3075743, 5592260, 6151486, 11184520, 12302972, 15378715, 24605944, 30757430, 61514860, 123029720]

約数ペア:

[(1, 123029720), (2, 61514860), (4, 30757430), (5, 24605944), (8, 15378715), (10, 12302972), (11, 11184520), (20, 6151486), (22, 5592260), (40, 3075743), (44, 2796130), (55, 2236904), (88, 1398065), (110, 1118452), (220, 559226), (440, 279613)]