199468120

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{68311}}^1$

素因数の和:68395

約数の個数: 32

約数和(自身を含む): 454957920

約数和(自身を除く): 255489800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 68311, 136622, 273244, 341555, 546488, 683110, 1366220, 2732440, 4986703, 9973406, 19946812, 24933515, 39893624, 49867030, 99734060, 199468120]

約数ペア:

[(1, 199468120), (2, 99734060), (4, 49867030), (5, 39893624), (8, 24933515), (10, 19946812), (20, 9973406), (40, 4986703), (73, 2732440), (146, 1366220), (292, 683110), (365, 546488), (584, 341555), (730, 273244), (1460, 136622), (2920, 68311)]