216890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1$

素因数の和:94

約数の個数: 24

約数和(自身を含む): 418068

約数和(自身を除く): 201178

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 529, 943, 1058, 1886, 2645, 4715, 5290, 9430, 21689, 43378, 108445, 216890]

約数ペア:

[(1, 216890), (2, 108445), (5, 43378), (10, 21689), (23, 9430), (41, 5290), (46, 4715), (82, 2645), (115, 1886), (205, 1058), (230, 943), (410, 529)]