201257840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{359389}}^1$

素因数の和:359409

約数の個数: 40

約数和(自身を含む): 534772320

約数和(自身を除く): 333514480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 359389, 718778, 1437556, 1796945, 2515723, 2875112, 3593890, 5031446, 5750224, 7187780, 10062892, 12578615, 14375560, 20125784, 25157230, 28751120, 40251568, 50314460, 100628920, 201257840]

約数ペア:

[(1, 201257840), (2, 100628920), (4, 50314460), (5, 40251568), (7, 28751120), (8, 25157230), (10, 20125784), (14, 14375560), (16, 12578615), (20, 10062892), (28, 7187780), (35, 5750224), (40, 5031446), (56, 3593890), (70, 2875112), (80, 2515723), (112, 1796945), (140, 1437556), (280, 718778), (560, 359389)]