164291860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{5209}}^1$

素因数の和:5320

約数の個数: 48

約数和(自身を含む): 367617600

約数和(自身を除く): 203325740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 3154, 5209, 6308, 7885, 10418, 15770, 20836, 26045, 31540, 52090, 98971, 104180, 197942, 395884, 432347, 494855, 864694, 989710, 1729388, 1979420, 2161735, 4323470, 8214593, 8646940, 16429186, 32858372, 41072965, 82145930, 164291860]

約数ペア:

[(1, 164291860), (2, 82145930), (4, 41072965), (5, 32858372), (10, 16429186), (19, 8646940), (20, 8214593), (38, 4323470), (76, 2161735), (83, 1979420), (95, 1729388), (166, 989710), (190, 864694), (332, 494855), (380, 432347), (415, 395884), (830, 197942), (1577, 104180), (1660, 98971), (3154, 52090), (5209, 31540), (6308, 26045), (7885, 20836), (10418, 15770)]