198156950

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{39239}}^1$

素因数の和:39352

約数の個数: 24

約数和(自身を含む): 372230640

約数和(自身を除く): 174073690

約数列:

[1, 2, 5, 10, 25, 50, 101, 202, 505, 1010, 2525, 5050, 39239, 78478, 196195, 392390, 980975, 1961950, 3963139, 7926278, 19815695, 39631390, 99078475, 198156950]

約数ペア:

[(1, 198156950), (2, 99078475), (5, 39631390), (10, 19815695), (25, 7926278), (50, 3963139), (101, 1961950), (202, 980975), (505, 392390), (1010, 196195), (2525, 78478), (5050, 39239)]