31609540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 70398720

約数和(自身を除く): 38789180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 380, 386, 431, 772, 862, 965, 1724, 1930, 2155, 3667, 3860, 4310, 7334, 8189, 8620, 14668, 16378, 18335, 32756, 36670, 40945, 73340, 81890, 83183, 163780, 166366, 332732, 415915, 831830, 1580477, 1663660, 3160954, 6321908, 7902385, 15804770, 31609540]

約数ペア:

[(1, 31609540), (2, 15804770), (4, 7902385), (5, 6321908), (10, 3160954), (19, 1663660), (20, 1580477), (38, 831830), (76, 415915), (95, 332732), (190, 166366), (193, 163780), (380, 83183), (386, 81890), (431, 73340), (772, 40945), (862, 36670), (965, 32756), (1724, 18335), (1930, 16378), (2155, 14668), (3667, 8620), (3860, 8189), (4310, 7334)]