349139210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{719}}^1\times {\mathrm{991}}^1$

素因数の和:1731

約数の個数: 48

約数和(自身を含む): 732810240

約数和(自身を除く): 383671030

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 719, 991, 1438, 1982, 3595, 4955, 5033, 6937, 7190, 9910, 10066, 13874, 25165, 34685, 35231, 48559, 50330, 69370, 70462, 97118, 176155, 242795, 352310, 485590, 712529, 1425058, 3562645, 4987703, 7125290, 9975406, 24938515, 34913921, 49877030, 69827842, 174569605, 349139210]

約数ペア:

[(1, 349139210), (2, 174569605), (5, 69827842), (7, 49877030), (10, 34913921), (14, 24938515), (35, 9975406), (49, 7125290), (70, 4987703), (98, 3562645), (245, 1425058), (490, 712529), (719, 485590), (991, 352310), (1438, 242795), (1982, 176155), (3595, 97118), (4955, 70462), (5033, 69370), (6937, 50330), (7190, 48559), (9910, 35231), (10066, 34685), (13874, 25165)]