149176240

素因数分解:

$2^4\times 5^1\times {\mathrm{1864703}}^1$

素因数の和:1864716

約数の個数: 20

約数和(自身を含む): 346834944

約数和(自身を除く): 197658704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1864703, 3729406, 7458812, 9323515, 14917624, 18647030, 29835248, 37294060, 74588120, 149176240]

約数ペア:

[(1, 149176240), (2, 74588120), (4, 37294060), (5, 29835248), (8, 18647030), (10, 14917624), (16, 9323515), (20, 7458812), (40, 3729406), (80, 1864703)]