213011590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 433382400

約数和(自身を除く): 220370810

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 199, 263, 370, 398, 407, 526, 814, 995, 1315, 1990, 2035, 2189, 2630, 2893, 4070, 4378, 5786, 7363, 9731, 10945, 14465, 14726, 19462, 21890, 28930, 36815, 48655, 52337, 73630, 80993, 97310, 104674, 107041, 161986, 214082, 261685, 404965, 523370, 535205, 575707, 809930, 1070410, 1151414, 1936469, 2878535, 3872938, 5757070, 9682345, 19364690, 21301159, 42602318, 106505795, 213011590]

約数ペア:

[(1, 213011590), (2, 106505795), (5, 42602318), (10, 21301159), (11, 19364690), (22, 9682345), (37, 5757070), (55, 3872938), (74, 2878535), (110, 1936469), (185, 1151414), (199, 1070410), (263, 809930), (370, 575707), (398, 535205), (407, 523370), (526, 404965), (814, 261685), (995, 214082), (1315, 161986), (1990, 107041), (2035, 104674), (2189, 97310), (2630, 80993), (2893, 73630), (4070, 52337), (4378, 48655), (5786, 36815), (7363, 28930), (9731, 21890), (10945, 19462), (14465, 14726)]