201681940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{438439}}^1$

素因数の和:438471

約数の個数: 24

約数和(自身を含む): 441947520

約数和(自身を除く): 240265580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 438439, 876878, 1753756, 2192195, 4384390, 8768780, 10084097, 20168194, 40336388, 50420485, 100840970, 201681940]

約数ペア:

[(1, 201681940), (2, 100840970), (4, 50420485), (5, 40336388), (10, 20168194), (20, 10084097), (23, 8768780), (46, 4384390), (92, 2192195), (115, 1753756), (230, 876878), (460, 438439)]