181354540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{394249}}^1$

素因数の和:394281

約数の個数: 24

約数和(自身を含む): 397404000

約数和(自身を除く): 216049460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 394249, 788498, 1576996, 1971245, 3942490, 7884980, 9067727, 18135454, 36270908, 45338635, 90677270, 181354540]

約数ペア:

[(1, 181354540), (2, 90677270), (4, 45338635), (5, 36270908), (10, 18135454), (20, 9067727), (23, 7884980), (46, 3942490), (92, 1971245), (115, 1576996), (230, 788498), (460, 394249)]