28089220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{383}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 62576640

約数和(自身を除く): 34487420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 380, 383, 386, 766, 772, 965, 1532, 1915, 1930, 3667, 3830, 3860, 7277, 7334, 7660, 14554, 14668, 18335, 29108, 36385, 36670, 72770, 73340, 73919, 145540, 147838, 295676, 369595, 739190, 1404461, 1478380, 2808922, 5617844, 7022305, 14044610, 28089220]

約数ペア:

[(1, 28089220), (2, 14044610), (4, 7022305), (5, 5617844), (10, 2808922), (19, 1478380), (20, 1404461), (38, 739190), (76, 369595), (95, 295676), (190, 147838), (193, 145540), (380, 73919), (383, 73340), (386, 72770), (766, 36670), (772, 36385), (965, 29108), (1532, 18335), (1915, 14668), (1930, 14554), (3667, 7660), (3830, 7334), (3860, 7277)]