304860040

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{38299}}^1$

素因数の和:38509

約数の個数: 32

約数和(自身を含む): 689400000

約数和(自身を除く): 384539960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 38299, 76598, 153196, 191495, 306392, 382990, 765980, 1531960, 7621501, 15243002, 30486004, 38107505, 60972008, 76215010, 152430020, 304860040]

約数ペア:

[(1, 304860040), (2, 152430020), (4, 76215010), (5, 60972008), (8, 38107505), (10, 30486004), (20, 15243002), (40, 7621501), (199, 1531960), (398, 765980), (796, 382990), (995, 306392), (1592, 191495), (1990, 153196), (3980, 76598), (7960, 38299)]