131698420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{940703}}^1$

素因数の和:940719

約数の個数: 24

約数和(自身を含む): 316076544

約数和(自身を除く): 184378124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 940703, 1881406, 3762812, 4703515, 6584921, 9407030, 13169842, 18814060, 26339684, 32924605, 65849210, 131698420]

約数ペア:

[(1, 131698420), (2, 65849210), (4, 32924605), (5, 26339684), (7, 18814060), (10, 13169842), (14, 9407030), (20, 6584921), (28, 4703515), (35, 3762812), (70, 1881406), (140, 940703)]