420230.0000000

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 3649536

約数和(自身を除く): 1279091

約数列:

[1, 5, 7, 11, 35, 47, 55, 77, 131, 235, 329, 385, 517, 655, 917, 1441, 1645, 2585, 3619, 4585, 6157, 7205, 10087, 18095, 30785, 43099, 50435, 67727, 215495, 338635, 474089, 2370445]

約数ペア:

[(1, 2370445), (5, 474089), (7, 338635), (11, 215495), (35, 67727), (47, 50435), (55, 43099), (77, 30785), (131, 18095), (235, 10087), (329, 7205), (385, 6157), (517, 4585), (655, 3619), (917, 2585), (1441, 1645)]