199410920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{216751}}^1$

素因数の和:216785

約数の個数: 32

約数和(自身を含む): 468184320

約数和(自身を除く): 268773400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 216751, 433502, 867004, 1083755, 1734008, 2167510, 4335020, 4985273, 8670040, 9970546, 19941092, 24926365, 39882184, 49852730, 99705460, 199410920]

約数ペア:

[(1, 199410920), (2, 99705460), (4, 49852730), (5, 39882184), (8, 24926365), (10, 19941092), (20, 9970546), (23, 8670040), (40, 4985273), (46, 4335020), (92, 2167510), (115, 1734008), (184, 1083755), (230, 867004), (460, 433502), (920, 216751)]