213666440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2129}}^1$

素因数の和:2346

約数の個数: 64

約数和(自身を含む): 520657200

約数和(自身を除く): 306990760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 193, 260, 386, 520, 772, 965, 1544, 1930, 2129, 2509, 3860, 4258, 5018, 7720, 8516, 10036, 10645, 12545, 17032, 20072, 21290, 25090, 27677, 42580, 50180, 55354, 85160, 100360, 110708, 138385, 221416, 276770, 410897, 553540, 821794, 1107080, 1643588, 2054485, 3287176, 4108970, 5341661, 8217940, 10683322, 16435880, 21366644, 26708305, 42733288, 53416610, 106833220, 213666440]

約数ペア:

[(1, 213666440), (2, 106833220), (4, 53416610), (5, 42733288), (8, 26708305), (10, 21366644), (13, 16435880), (20, 10683322), (26, 8217940), (40, 5341661), (52, 4108970), (65, 3287176), (104, 2054485), (130, 1643588), (193, 1107080), (260, 821794), (386, 553540), (520, 410897), (772, 276770), (965, 221416), (1544, 138385), (1930, 110708), (2129, 100360), (2509, 85160), (3860, 55354), (4258, 50180), (5018, 42580), (7720, 27677), (8516, 25090), (10036, 21290), (10645, 20072), (12545, 17032)]