902090

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{263}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 1900800

約数和(自身を除く): 998710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 263, 343, 490, 526, 686, 1315, 1715, 1841, 2630, 3430, 3682, 9205, 12887, 18410, 25774, 64435, 90209, 128870, 180418, 451045, 902090]

約数ペア:

[(1, 902090), (2, 451045), (5, 180418), (7, 128870), (10, 90209), (14, 64435), (35, 25774), (49, 18410), (70, 12887), (98, 9205), (245, 3682), (263, 3430), (343, 2630), (490, 1841), (526, 1715), (686, 1315)]