203522980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{2161}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 454383216

約数和(自身を除く): 250860236

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 277, 340, 554, 1108, 1385, 2161, 2770, 4322, 4709, 5540, 8644, 9418, 10805, 18836, 21610, 23545, 36737, 43220, 47090, 73474, 94180, 146948, 183685, 367370, 598597, 734740, 1197194, 2394388, 2992985, 5985970, 10176149, 11971940, 20352298, 40704596, 50880745, 101761490, 203522980]

約数ペア:

[(1, 203522980), (2, 101761490), (4, 50880745), (5, 40704596), (10, 20352298), (17, 11971940), (20, 10176149), (34, 5985970), (68, 2992985), (85, 2394388), (170, 1197194), (277, 734740), (340, 598597), (554, 367370), (1108, 183685), (1385, 146948), (2161, 94180), (2770, 73474), (4322, 47090), (4709, 43220), (5540, 36737), (8644, 23545), (9418, 21610), (10805, 18836)]