808216660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{887}}^1\times {\mathrm{1571}}^1$

素因数の和:2496

約数の個数: 48

約数和(自身を含む): 1758879360

約数和(自身を除く): 950662700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 887, 1571, 1774, 3142, 3548, 4435, 6284, 7855, 8870, 15710, 17740, 25723, 31420, 45559, 51446, 91118, 102892, 128615, 182236, 227795, 257230, 455590, 514460, 911180, 1393477, 2786954, 5573908, 6967385, 13934770, 27869540, 40410833, 80821666, 161643332, 202054165, 404108330, 808216660]

約数ペア:

[(1, 808216660), (2, 404108330), (4, 202054165), (5, 161643332), (10, 80821666), (20, 40410833), (29, 27869540), (58, 13934770), (116, 6967385), (145, 5573908), (290, 2786954), (580, 1393477), (887, 911180), (1571, 514460), (1774, 455590), (3142, 257230), (3548, 227795), (4435, 182236), (6284, 128615), (7855, 102892), (8870, 91118), (15710, 51446), (17740, 45559), (25723, 31420)]