209548030

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{2039}}^1$

素因数の和:2328

約数の個数: 32

約数和(自身を含む): 387763200

約数和(自身を除く): 178215170

約数列:

[1, 2, 5, 10, 43, 86, 215, 239, 430, 478, 1195, 2039, 2390, 4078, 10195, 10277, 20390, 20554, 51385, 87677, 102770, 175354, 438385, 487321, 876770, 974642, 2436605, 4873210, 20954803, 41909606, 104774015, 209548030]

約数ペア:

[(1, 209548030), (2, 104774015), (5, 41909606), (10, 20954803), (43, 4873210), (86, 2436605), (215, 974642), (239, 876770), (430, 487321), (478, 438385), (1195, 175354), (2039, 102770), (2390, 87677), (4078, 51385), (10195, 20554), (10277, 20390)]