42539560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1093}}^1$

素因数の和:1250

約数の個数: 64

約数和(自身を含む): 110275200

約数和(自身を除く): 67735640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1093, 1112, 1390, 1946, 2186, 2780, 3892, 4372, 4865, 5465, 5560, 7651, 7784, 8744, 9730, 10930, 15302, 19460, 21860, 30604, 38255, 38920, 43720, 61208, 76510, 151927, 153020, 303854, 306040, 607708, 759635, 1063489, 1215416, 1519270, 2126978, 3038540, 4253956, 5317445, 6077080, 8507912, 10634890, 21269780, 42539560]

約数ペア:

[(1, 42539560), (2, 21269780), (4, 10634890), (5, 8507912), (7, 6077080), (8, 5317445), (10, 4253956), (14, 3038540), (20, 2126978), (28, 1519270), (35, 1215416), (40, 1063489), (56, 759635), (70, 607708), (139, 306040), (140, 303854), (278, 153020), (280, 151927), (556, 76510), (695, 61208), (973, 43720), (1093, 38920), (1112, 38255), (1390, 30604), (1946, 21860), (2186, 19460), (2780, 15302), (3892, 10930), (4372, 9730), (4865, 8744), (5465, 7784), (5560, 7651)]