281017870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{4051}}^1$

素因数の和:5056

約数の個数: 32

約数和(自身を含む): 578820096

約数和(自身を除く): 297802226

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 991, 1982, 4051, 4955, 6937, 8102, 9910, 13874, 20255, 28357, 34685, 40510, 56714, 69370, 141785, 283570, 4014541, 8029082, 20072705, 28101787, 40145410, 56203574, 140508935, 281017870]

約数ペア:

[(1, 281017870), (2, 140508935), (5, 56203574), (7, 40145410), (10, 28101787), (14, 20072705), (35, 8029082), (70, 4014541), (991, 283570), (1982, 141785), (4051, 69370), (4955, 56714), (6937, 40510), (8102, 34685), (9910, 28357), (13874, 20255)]