123037240

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{22129}}^1$

素因数の和:22279

約数の個数: 32

約数和(自身を含む): 278838000

約数和(自身を除く): 155800760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 22129, 44258, 88516, 110645, 177032, 221290, 442580, 885160, 3075931, 6151862, 12303724, 15379655, 24607448, 30759310, 61518620, 123037240]

約数ペア:

[(1, 123037240), (2, 61518620), (4, 30759310), (5, 24607448), (8, 15379655), (10, 12303724), (20, 6151862), (40, 3075931), (139, 885160), (278, 442580), (556, 221290), (695, 177032), (1112, 110645), (1390, 88516), (2780, 44258), (5560, 22129)]